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Question 1
Correct
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A 35-year-old woman visits her GP complaining of a headache that she describes as worsening over the past three weeks. She reports that the headache wakes her during the night, and is worse when she coughs.
Which of the following is the most likely diagnosis?
Your Answer: Brain tumour
Explanation:The patient’s symptoms suggest a headache caused by increased pressure within the skull, which is often associated with a space-occupying lesion such as a brain tumor. This type of headache is typically worse in the morning and aggravated by bending forward, coughing, or sneezing. As the tumor grows, other symptoms such as vomiting, seizures, and neurological deficits may develop. Brain tumors can be primary or metastatic, with the most common types being astrocytoma, glioblastoma, oligodendroglioma, ependymoma, meningioma, and primary CNS lymphoma.
The patient’s history does not support a diagnosis of giant cell arteritis, which typically affects individuals over 50 years old and presents with an abrupt-onset headache, scalp tenderness, jaw pain, visual disturbances, and constitutional symptoms such as fever and weight loss. The diagnosis of GCA requires specific criteria, including age at onset, new headache, temporal artery abnormality, elevated erythrocyte sedimentation rate, and abnormal artery biopsy.
The patient’s symptoms are also not consistent with cluster headaches, which typically affect younger males and present with severe, unilateral pain around the eye, accompanied by lacrimation and nasal congestion. Cluster headaches have a circadian pattern and occur in episodes, followed by symptom-free periods.
Migraine is another type of headache that is not likely in this case, as the patient’s symptoms do not fit the typical pattern of unilateral, pulsating pain lasting 4-72 hours, accompanied by nausea/vomiting and photophobia.
Finally, subarachnoid hemorrhage is a medical emergency that presents with a sudden, severe headache, often described as the worst headache of one’s life, along with other symptoms such as vomiting, loss of consciousness, seizures, and neurological deficits. However, the patient’s headache has been progressing over weeks, which is not consistent with SAH.
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This question is part of the following fields:
- Neurology
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Question 2
Incorrect
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A 25-year-old man is brought into the emergency department resus, after being involved in a road traffic collision, where he, a motorbike rider, collided with a car. As one of the doctors receiving the patient into resus, you are tasked with calculating the current Glasgow coma score (GCS) of the patient. The patient's eyes are open, but he seems disoriented and asks you if he's on a spaceship.
Your Answer: 9
Correct Answer: 13
Explanation:The patient’s GCS score is 13, with a breakdown of 4 out of 4 for eye opening, 4 out of 5 for verbal response (due to confusion), and 5 out of 6 for motor response (exhibiting localisation to pain). A helpful mnemonic to remember this breakdown is 654…MoVE.
Understanding the Glasgow Coma Scale for Adults
The Glasgow Coma Scale (GCS) is a tool used to assess the level of consciousness in adults who have suffered a brain injury or other neurological condition. It is based on three components: motor response, verbal response, and eye opening. Each component is scored on a scale from 1 to 6, with a higher score indicating a better level of consciousness.
The motor response component assesses the patient’s ability to move in response to stimuli. A score of 6 indicates that the patient is able to obey commands, while a score of 1 indicates no movement at all.
The verbal response component assesses the patient’s ability to communicate. A score of 5 indicates that the patient is fully oriented, while a score of 1 indicates no verbal response at all.
The eye opening component assesses the patient’s ability to open their eyes. A score of 4 indicates that the patient is able to open their eyes spontaneously, while a score of 1 indicates no eye opening at all.
The GCS score is expressed as a combination of the scores from each component, with the motor response score listed first, followed by the verbal response score, and then the eye opening score. For example, a GCS score of 13, M5 V4 E4 at 21:30 would indicate that the patient had a motor response score of 5, a verbal response score of 4, and an eye opening score of 4 at 9:30 PM.
Overall, the Glasgow Coma Scale is a useful tool for healthcare professionals to assess the level of consciousness in adults with neurological conditions.
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This question is part of the following fields:
- Neurology
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Question 3
Correct
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An 80-year-old woman is admitted with acute confusion caused by a urinary tract infection. Despite treatment with antibiotics, environmental changes, and reassurance, she continues to be agitated. You are contemplating prescribing haloperidol. What is one condition that may be significantly exacerbated by the use of haloperidol?
Your Answer: Parkinson's disease
Explanation:If possible, antipsychotics should be avoided as they can exacerbate Parkinson’s disease symptoms. Instead, a low dose of oral lorazepam may be considered as an alternative.
Acute confusional state, also known as delirium or acute organic brain syndrome, is a condition that affects up to 30% of elderly patients admitted to hospital. It is more common in patients over the age of 65, those with a background of dementia, significant injury, frailty or multimorbidity, and those taking multiple medications. The condition is often triggered by a combination of factors, such as infection, metabolic imbalances, change of environment, and underlying medical conditions.
The symptoms of acute confusional state can vary widely, but may include memory disturbances, agitation or withdrawal, disorientation, mood changes, visual hallucinations, disturbed sleep, and poor attention. Treatment involves identifying and addressing the underlying cause, modifying the patient’s environment, and using sedatives such as haloperidol or olanzapine. However, managing the condition can be challenging in patients with Parkinson’s disease, as antipsychotics can worsen Parkinsonian symptoms. In such cases, careful reduction of Parkinson medication may be helpful, and atypical antipsychotics such as quetiapine and clozapine may be preferred for urgent treatment.
Overall, acute confusional state is a complex condition that requires careful management and individualized treatment. By addressing the underlying causes and providing appropriate sedation, healthcare professionals can help patients recover from this condition and improve their overall quality of life.
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This question is part of the following fields:
- Neurology
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Question 4
Incorrect
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A 72-year-old man presents to the emergency department with his spouse reporting weakness in his right arm and leg, decreased vision, and difficulty speaking. The symptoms began approximately 30 minutes ago, and his wife promptly called for an ambulance. A CT scan of the head ruled out a hemorrhagic stroke, but a CT contrast angiography revealed a confirmed blockage in the proximal anterior circulation. What is the appropriate acute management for this patient?
Your Answer: Aspirin and clopidogrel
Correct Answer: Alteplase plus thrombectomy
Explanation:For patients with an acute ischaemic stroke who present within 4.5 hours, the recommended treatment is a combination of thrombolysis and thrombectomy. Thrombolysis involves the use of alteplase, a tissue plasminogen activator that breaks down the clot, while thrombectomy physically removes the clot using a specialized device inserted through the femoral artery. In this case, as the patient has confirmed occlusion of the proximal anterior circulation, both thrombolysis and thrombectomy should be performed together for the best possible outcome. While alteplase alone can be considered if thrombectomy is not available, a better prognosis is more likely with the combination treatment. It would not be appropriate to perform thrombectomy alone without considering thrombolysis, as the patient is presenting within the window for thrombolysis and should be considered for both in combination according to the guidelines.
The Royal College of Physicians (RCP) and NICE have published guidelines on the diagnosis and management of patients following a stroke. The management of acute stroke includes maintaining normal levels of blood glucose, hydration, oxygen saturation, and temperature. Blood pressure should not be lowered in the acute phase unless there are complications. Aspirin should be given as soon as possible if a haemorrhagic stroke has been excluded. Anticoagulants should not be started until brain imaging has excluded haemorrhage. Thrombolysis with alteplase should only be given if administered within 4.5 hours of onset of stroke symptoms and haemorrhage has been definitively excluded. Mechanical thrombectomy is a new treatment option for patients with an acute ischaemic stroke. NICE recommends thrombectomy for people who have acute ischaemic stroke and confirmed occlusion of the proximal anterior circulation demonstrated by computed tomographic angiography or magnetic resonance angiography. Secondary prevention includes the use of clopidogrel and dipyridamole. Carotid artery endarterectomy should only be considered if carotid stenosis is greater than 70% according to ECST criteria or greater than 50% according to NASCET criteria.
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This question is part of the following fields:
- Neurology
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Question 5
Correct
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A 50-year-old female patient arrives at the emergency department via ambulance after experiencing a sudden onset of facial droop and speech impairment. Upon examination, she is conscious but displays both expressive and receptive aphasia. The patient's GP summary record indicates that she is only taking tamoxifen. Based on this information, what is the most probable medical condition in her past medical history?
Your Answer: Oestrogen receptor-positive breast cancer
Explanation:Pre-menopausal women with oestrogen receptor-positive breast cancer are managed using Tamoxifen.
Tamoxifen is ineffective in treating oestrogen receptor-negative breast cancer or ovarian cancer.
However, Tamoxifen may increase the risk of endometrial cancer.
Colorectal cancer is not treated with Tamoxifen.Anti-oestrogen drugs are used in the management of oestrogen receptor-positive breast cancer. Selective oEstrogen Receptor Modulators (SERM) such as Tamoxifen act as an oestrogen receptor antagonist and partial agonist. However, Tamoxifen can cause adverse effects such as menstrual disturbance, hot flushes, venous thromboembolism, and endometrial cancer. On the other hand, aromatase inhibitors like Anastrozole and Letrozole reduce peripheral oestrogen synthesis, which is important in postmenopausal women. Anastrozole is used for ER +ve breast cancer in this group. However, aromatase inhibitors can cause adverse effects such as osteoporosis, hot flushes, arthralgia, myalgia, and insomnia. NICE recommends a DEXA scan when initiating a patient on aromatase inhibitors for breast cancer.
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This question is part of the following fields:
- Neurology
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Question 6
Correct
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In a 20-year-old man with primary generalised epilepsy, what is the most suitable initial oral treatment option?
Your Answer: Valproate
Explanation:First-Line Treatments for Seizures: A Guide to Medications
When it comes to treating seizures, there are several medications available. However, not all medications are suitable for every type of seizure. Here is a breakdown of some commonly used medications and their recommended uses:
Valproate: This medication is recommended as a first-line treatment for children, young people, and adults with newly diagnosed generalized tonic-clonic seizures. However, it is important to be aware of the teratogenic and developmental risks associated with valproate.
Carbamazepine: This medication is recommended as a first-line treatment for new-onset focal seizures, but not for generalized seizures.
Topiramate: While topiramate is not routinely used as a first-line treatment for any type of seizure, it can be used as an adjunct.
Phenytoin: This medication is useful as a rescue medication in status epilepticus, but should not be considered first-line for any seizure type due to troublesome long-term side effects.
Phenobarbital: This medication is now rarely used for seizures due to its unacceptable side effects when compared to more modern alternatives.
Overall, the first-choice treatments for primary generalized epilepsy are lamotrigine and valproate. For partial (localization-related) epilepsy, carbamazepine, valproate, lamotrigine, and oxcarbazepine are all reasonable first choices.
In summary, it is important to work closely with a healthcare provider to determine the best medication for an individual’s specific type of seizure.
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This question is part of the following fields:
- Neurology
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Question 7
Incorrect
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A 50-year-old man presents with weakness of his right upper limb. On examination, there is weakness of the right triceps muscle, brachioradialis and extensor digitorum. Sensation is normal. The right triceps jerk is absent. There is some wasting of the dorsum of the forearm.
Where is the most likely site of the lesion?Your Answer: C7 radiculopathy
Correct Answer: Right radial nerve
Explanation:The patient has multiple nerve-related issues, including a right radial nerve palsy, a possible brachial plexus injury, and weakness of the brachioradialis muscle. The right radial nerve palsy is likely due to a humeral or proximal radial fracture or compression, resulting in weak wrist, elbow, and MCP extension and wrist drop. The brachial plexus injury may be affecting a specific nerve rather than the whole plexus, with symptoms consistent with an upper or lower trunk lesion. The weakness of the brachioradialis muscle suggests a possible C5-6 nerve root involvement. The patient does not have any sensory deficits, which is unusual for these types of nerve injuries. Testing of dermatomes, motor function, and reflexes can help identify the specific nerve root or nerve affected.
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This question is part of the following fields:
- Neurology
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Question 8
Correct
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A 42-year-old man who works as a teacher presents with a headache that feels like a tight band around his head and is most severe at the end of the day. He is interested in learning more about headaches and their treatments. He reports that he has tried paracetamol without relief and wonders if oxygen therapy could be an option, as one of his colleagues also uses it for their headaches.
What type of headache is oxygen therapy typically used to treat?Your Answer: Cluster headache
Explanation:Cluster headaches cause severe pain around one eye and are often accompanied by tearing and redness of the eye. The duration of these headaches is typically between 15 minutes to 2 hours, and they can be treated with triptans and oxygen.
However, the man in question is experiencing a tension-type headache, which is not typically treated with oxygen. It would be beneficial to inquire about any stressors he may be experiencing and suggest alternative pain relief methods. Oxygen therapy is not typically used to treat migraines, post-coital headaches, or temporal arteritis.
Cluster headaches are a type of headache that is known to be extremely painful. They are called cluster headaches because they tend to occur in clusters that last for several weeks, usually once a year. These headaches are more common in men and smokers, and alcohol and sleep patterns may trigger an attack. The pain typically occurs once or twice a day, lasting between 15 minutes to 2 hours. The pain is intense and sharp, usually around one eye, and is accompanied by redness, lacrimation, lid swelling, and nasal stuffiness. Some patients may also experience miosis and ptosis.
To manage cluster headaches, 100% oxygen or subcutaneous triptan can be used for acute treatment, with response rates of 80% and 75% respectively within 15 minutes. Verapamil is the drug of choice for prophylaxis, and a tapering dose of prednisolone may also be effective. It is recommended to seek specialist advice from a neurologist if a patient develops cluster headaches, especially with respect to neuroimaging. Some neurologists use the term trigeminal autonomic cephalgia to group a number of conditions including cluster headache, paroxysmal hemicrania, and short-lived unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT). Patients with these conditions should be referred for specialist assessment as specific treatment may be required, such as indomethacin for paroxysmal hemicrania.
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This question is part of the following fields:
- Neurology
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Question 9
Correct
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A 68-year-old woman is brought to her General Practitioner by her daughter who is concerned that she has been experiencing a few falls recently. She reveals that she has been getting confused and forgetful for the past two weeks. She has been complaining of dizziness and has vomited on a couple of occasions in the same time period. Her past medical history includes type 2 diabetes, hypertension and osteoporosis.
Which of the following is the most likely diagnosis?
Your Answer: Chronic subdural haematoma (SDH)
Explanation:Differentiating between types of intracranial hemorrhage
Intracranial hemorrhage can have various causes and presentations. Here are some key points to differentiate between different types of intracranial hemorrhage:
Chronic subdural hematoma (SDH): This type of hemorrhage can be spontaneous or caused by head trauma. Symptoms tend to develop gradually and may fluctuate. They include headache, vomiting, personality changes, memory disturbances, and loss of consciousness. Patients with a history of AF and recurrent falls are at high risk of developing a chronic SDH.
Subarachnoid hemorrhage (SAH): This type of hemorrhage occurs when blood accumulates in the space between the arachnoid and pia mater. The most common cause is rupture of a Berry aneurysm in the Circle of Willis. The classical presentation of SAH is a sudden-onset, severe ‘thunderclap’ headache often accompanied by vomiting and meningism. The presentation is usually acute.
Acute subdural hematoma (SDH): This type of hemorrhage occurs due to tearing of cortical bridging veins leading to bleeding into the subdural space. An acute SDH usually follows a significant head injury. Loss of consciousness may occur immediately or a few hours after the injury.
Extradural hemorrhage: This type of hemorrhage is caused by the rupture of one of the meningeal arteries that run between the dura and the skull. It usually occurs following a significant head injury often in younger patients. There is classically a lucid interval following the injury, followed several hours later by rapid deterioration resulting in loss of consciousness.
Ischemic cerebrovascular accident (CVA): This type of event occurs due to a lack of blood flow to the brain. Patients with risk factors such as AF and hypertension are at higher risk. Classical CVA symptoms include sudden-onset unilateral weakness, speech difficulties, or visual loss which do not resolve within 24 hours. However, the patient’s symptoms in this case are not typical for a CVA.
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This question is part of the following fields:
- Neurology
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Question 10
Correct
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A 68-year-old woman complains of experiencing multiple instances of sharp, shooting 'electric shock' like pain on the right side of her face over the last 8 months. These episodes usually occur while she is brushing her hair. What is the recommended treatment for this likely diagnosis?
Your Answer: Carbamazepine
Explanation:Typical symptoms of trigeminal neuralgia are present in this woman. The initial treatment recommended for this condition is carbamazepine, which should be initiated at a dosage of 100 mg twice daily and gradually increased until pain relief is achieved.
Understanding Trigeminal Neuralgia
Trigeminal neuralgia is a type of pain syndrome that is characterized by severe pain on one side of the face. While most cases are idiopathic, some may be caused by compression of the trigeminal roots due to tumors or vascular problems. According to the International Headache Society, trigeminal neuralgia is defined as a disorder that causes brief electric shock-like pains that are limited to one or more divisions of the trigeminal nerve. The pain is often triggered by light touch, such as washing, shaving, or brushing teeth, and can occur spontaneously. Certain areas of the face, such as the nasolabial fold or chin, may be more susceptible to pain. The pain may also remit for varying periods.
Red flag symptoms and signs that suggest a serious underlying cause include sensory changes, ear problems, a history of skin or oral lesions that could spread perineurally, pain only in the ophthalmic division of the trigeminal nerve, optic neuritis, a family history of multiple sclerosis, and onset before the age of 40.
The first-line treatment for trigeminal neuralgia is carbamazepine. If there is a failure to respond to treatment or atypical features are present, such as onset before the age of 50, referral to neurology is recommended. Understanding the symptoms and management of trigeminal neuralgia is important for proper diagnosis and treatment.
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This question is part of the following fields:
- Neurology
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Question 11
Correct
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A 55-year-old male patient visits the GP clinic complaining of weakness in his right leg for the past three days. During the examination, it was observed that there was a weakness in the right knee flexion, but the knee extension was intact. Additionally, there was a weakness in the dorsal and plantar flexion of the right ankle, as well as the right flexor hallucis longus. The right ankle jerk was lost, but the knee-jerk was intact, and the plantar response was downgoing. Based on the most probable nerve that is damaged in this patient, what are the nerve roots that supply this nerve?
Your Answer: L4-5, S1-3
Explanation:The sciatic nerve is innervated by spinal nerves L4-5, S1-3. The patient exhibits weakness in all muscle groups below the knee, with an intact knee jerk but weak ankle jerk, indicating damage to the sciatic nerve. The iliohypogastric nerve is supplied by T12-L1, while the genitofemoral nerve is supplied by L1-2.
Understanding Sciatic Nerve Lesion
The sciatic nerve is a major nerve in the body that is supplied by the L4-5, S1-3 vertebrae. It divides into two branches, the tibial and common peroneal nerves, which supply the hamstring and adductor muscles. A sciatic nerve lesion can cause paralysis of knee flexion and all movements below the knee, as well as sensory loss below the knee. However, knee jerk reflexes remain intact while ankle and plantar reflexes are lost.
There are several causes of sciatic nerve lesions, including fractures of the neck of the femur, posterior hip dislocation, and trauma.
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This question is part of the following fields:
- Neurology
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Question 12
Correct
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A 38-year-old woman presents to her GP with a complaint of difficulty moving her eyes horizontally. She reports that this is more pronounced after she has been conversing.
What is the most probable reason for her symptoms?Your Answer: Myasthenia gravis
Explanation:Differential Diagnosis of Ocular Weakness: Myasthenia Gravis, Mononeuritis Multiplex, Guillain-Barré Syndrome, Multiple Sclerosis, and Polymyositis
Ocular weakness can be caused by a variety of conditions, including myasthenia gravis (MG), mononeuritis multiplex, Guillain-Barré syndrome (GBS), multiple sclerosis (MS), and polymyositis. MG is an autoimmune disorder that affects the neuromuscular junction, causing fatigable weakness of the periocular, facial, bulbar, and girdle muscles. Mononeuritis multiplex is a rare condition that involves neuropathy of multiple peripheral and/or cranial nerves, often caused by systemic disorders such as diabetes or granulomatosis with polyangiitis. GBS is an acute, post-infectious polyneuropathy that presents with progressive, ascending weakness, while MS is a chronic, immune-mediated inflammatory condition of the CNS that typically presents with relapsing-remitting disease and transient episodes of visual change or limb weakness. Polymyositis is a connective tissue disease that causes symmetrical proximal muscle weakness, often accompanied by dermatitis. Understanding the key features of each condition can aid in accurate diagnosis and appropriate treatment.
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This question is part of the following fields:
- Neurology
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Question 13
Correct
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A 45-year-old woman presents with a 9-month history of personality changes, disinhibition and altered dietary habits with a preference for salty foods. She lost her job as a teacher because of inappropriate social behaviour. There is no memory deficit. Neurological examination is normal.
What is the most likely diagnosis?Your Answer: Frontotemporal dementia (FTD)
Explanation:Frontotemporal dementia (FTD) is a rare form of dementia that typically affects younger patients, with onset between 55 and 65 years old. Unlike Alzheimer’s disease, early memory impairment is not a characteristic symptom of FTD. Instead, early personality and behavior changes are core features. Consensus guidelines suggest diagnostic criteria that include insidious onset and gradual progression, decline in social interpersonal conduct, early impairment in regulation of personal conduct, early emotional blunting, and early loss of insight. Supportive diagnostic features may include behavioral disorders, speech and language changes, and physical signs. Other forms of dementia, such as Alzheimer’s disease, diffuse Lewy body disease (LBD), multiple sclerosis (MS), and vascular dementia, have different characteristic symptoms and diagnostic criteria.
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This question is part of the following fields:
- Neurology
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Question 14
Correct
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A 52-year-old male presents to his GP with a complaint of weakness in his ankles, followed by his knees and hips over the past 3 days. He has no known medical history.
What is the most probable diagnosis?Your Answer: Guillain-Barré syndrome
Explanation:The patient’s symptoms suggest Guillain-Barré syndrome, an acute inflammatory polyneuropathy that often occurs after a viral or bacterial infection. This condition is characterized by progressive, bilateral, ascending weakness that typically starts in the legs and spreads to the arms, respiratory muscles, and bulbar muscles. Areflexia is also present. Treatment may involve respiratory support, intravenous immunoglobulins, and plasma exchange. Most patients recover completely or almost completely, but the mortality rate is around 10%.
Mononeuritis multiplex is a rare condition that affects multiple peripheral and/or cranial nerves. Symptoms are usually asymmetrical and evolve at different times and with different degrees of severity. Diabetes is a common cause, but other systemic disorders can also be implicated. The patient’s symmetrical weakness affecting both legs at the same time is more consistent with a polyneuropathy than mononeuritis multiplex.
The patient’s symptoms do not fit with a diagnosis of multiple sclerosis, which typically presents with relapsing-remitting disease characterized by acute flairs and some improvement between flairs. MS is more common in females and onset peaks between 20 and 40 years. The patient’s symmetrical distribution of symptoms and rapid progression to affect knees and hips make MS unlikely.
Myasthenia gravis is an autoimmune disorder associated with antibodies to acetylcholine receptors at the neuromuscular junction. Patients typically display weakness of the periocular, facial, bulbar, and girdle muscles, with symptoms worsening with prolonged use. The patient’s symmetrical distal weakness is atypical for myasthenia gravis, which tends to affect proximal muscles first.
Polymyositis is a connective tissue disease that affects striated muscle, with symmetrical proximal muscle/limb girdle weakness being a prominent feature. Muscle tenderness and atrophy may also be present. The patient’s distal muscle weakness is not consistent with polymyositis.
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This question is part of the following fields:
- Neurology
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Question 15
Correct
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A 35-year-old woman experiences weekly migraines despite making lifestyle changes and avoiding triggers. Her doctor has agreed to prescribe medication for migraine prevention. She is in good health and does not take any regular medications. Her blood pressure measures 130/83 mmHg.
Which medication would be the most appropriate for this patient?Your Answer: Propranolol
Explanation:For migraine treatment, the recommended acute options are a combination of triptan with NSAID or paracetamol. For prophylaxis, the recommended options are topiramate or propranolol. In a woman of childbearing age with no asthma history and requiring migraine prophylaxis, propranolol is the most appropriate option. Although it should be avoided during pregnancy, it does not carry the high risk of birth defects associated with topiramate. Carbamazepine is not recommended for migraine treatment but is licensed for trigeminal neuralgia. Gabapentin is not effective for migraine prophylaxis and is not recommended by NICE guidelines. Topiramate is an option for migraine prophylaxis, but it is not the most appropriate first-line option for a woman of childbearing age due to its teratogenic effects. Highly effective contraception is required if topiramate is used. The recommended safe options for contraception are the copper intrauterine device, levonorgestrel intrauterine system (Mirena), or Depo-Provera injections plus condoms, as per guidelines from the Faculty of Reproductive and Sexual Health (FSRH).
Managing Migraines: Guidelines and Treatment Options
Migraines can be debilitating and affect a significant portion of the population. To manage migraines, it is important to understand the different treatment options available. According to the National Institute for Health and Care Excellence (NICE) guidelines, acute treatment for migraines involves a combination of an oral triptan and an NSAID or paracetamol. For young people aged 12-17 years, a nasal triptan may be preferred. If these measures are not effective, non-oral preparations of metoclopramide or prochlorperazine may be considered, along with a non-oral NSAID or triptan.
Prophylaxis should be given if patients are experiencing two or more attacks per month. NICE recommends topiramate or propranolol, depending on the patient’s preference, comorbidities, and risk of adverse events. Propranolol is preferred in women of childbearing age as topiramate may be teratogenic and reduce the effectiveness of hormonal contraceptives. Acupuncture and riboflavin may also be effective in reducing migraine frequency and intensity for some people. For women with predictable menstrual migraines, frovatriptan or zolmitriptan may be recommended as a type of mini-prophylaxis.
Specialists may consider other treatment options, such as candesartan or monoclonal antibodies directed against the calcitonin gene-related peptide (CGRP) receptor, like erenumab. However, pizotifen is no longer recommended due to common adverse effects like weight gain and drowsiness. It is important to exercise caution with young patients as acute dystonic reactions may develop. By following these guidelines and considering various treatment options, migraines can be effectively managed.
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This question is part of the following fields:
- Neurology
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Question 16
Incorrect
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A 42-year-old man presents to the Emergency Department. He reports experiencing sudden blurred vision and difficulty speaking. He denies any history of head injury or trauma and does not have a headache. On examination, he exhibits exaggerated reflexes and upward plantars. Fundoscopy reveals no abnormalities. What is the most probable diagnosis?
Your Answer: Stroke
Correct Answer: Multiple sclerosis
Explanation:Neurological Conditions and Upper Motor Neurone Signs
Upper motor neurone signs, such as spasticity, hyperreflexia, clonus, and the Babinski reflex, are indicative of certain neurological conditions. Multiple sclerosis, a demyelinating disease, is one such condition that causes these signs. On the other hand, a stroke in a young person is relatively unlikely to cause upper motor neurone signs. Cerebral venous thrombosis could cause these signs, but it would be highly unlikely without a headache and normal fundoscopy. Guillain–Barré syndrome (GBS) is a relatively symmetrical, ascending lower motor neurone disease that does not typically present with blurred vision and speech disturbances. Poliomyelitis, a lower motor neurone condition, is characterised by hypotonia and hyporeflexia and would not cause the Babinski reflex.
Understanding Upper Motor Neurone Signs in Neurological Conditions
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This question is part of the following fields:
- Neurology
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Question 17
Incorrect
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A 50-year-old man complains of vertigo and loss of hearing on the left side. Which test is most likely to suggest the presence of an acoustic neuroma?
Your Answer: Jerky nystagmus
Correct Answer: Absent corneal reflex
Explanation:Consider acoustic neuroma if there is a loss of corneal reflex.
Understanding Vestibular Schwannoma (Acoustic Neuroma)
Vestibular schwannoma, also known as acoustic neuroma, is a type of brain tumor that accounts for 5% of intracranial tumors and 90% of cerebellopontine angle tumors. The condition is characterized by a combination of symptoms such as vertigo, hearing loss, tinnitus, and an absent corneal reflex. The affected cranial nerves can predict the features of the condition. For instance, cranial nerve VIII can cause vertigo, unilateral sensorineural hearing loss, and unilateral tinnitus. On the other hand, cranial nerve V can lead to an absent corneal reflex, while cranial nerve VII can cause facial palsy.
Bilateral vestibular schwannomas are often seen in neurofibromatosis type 2. The diagnosis of vestibular schwannoma is made through an MRI of the cerebellopontine angle, and audiometry is also important since only 5% of patients have a normal audiogram.
The management of vestibular schwannoma involves surgery, radiotherapy, or observation. The choice of treatment depends on the size and location of the tumor, the patient’s age and overall health, and the severity of symptoms. In conclusion, understanding vestibular schwannoma is crucial in managing the condition effectively.
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This question is part of the following fields:
- Neurology
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Question 18
Correct
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A 21-year-old man is brought to the hospital after experiencing a generalized seizure. He complains of feeling ill with a fever and headache for the past 48 hours, and his mother notes that he has been unusually irritable lately. The patient has no prior medical history. During the examination, there is mild nuchal rigidity and hyperreflexia in the lower limbs. A CT scan of the head reveals bilateral hypodensities in the temporal lobes. What is the probable diagnosis?
Your Answer: Herpes simplex encephalitis
Explanation:Consider herpes simplex encephalitis as the possible cause for the observed temporal lobe changes on the CT head.
Understanding Herpes Simplex Encephalitis
Herpes simplex encephalitis is a common topic in medical exams. This viral infection affects the temporal lobes of the brain, causing symptoms such as fever, headache, seizures, and vomiting. Focal features like aphasia may also be present. It is important to note that peripheral lesions, such as cold sores, are not related to the presence of HSV encephalitis.
HSV-1 is responsible for 95% of cases in adults and typically affects the temporal and inferior frontal lobes. Diagnosis is made through CSF analysis, PCR for HSV, and imaging studies like CT or MRI. EEG patterns may also show lateralized periodic discharges at 2 Hz.
Treatment involves intravenous aciclovir, and prompt initiation of treatment is crucial for a good prognosis. If treatment is started early, the mortality rate is around 10-20%. However, if left untreated, the mortality rate can approach 80%.
In summary, understanding the symptoms, pathophysiology, and treatment of herpes simplex encephalitis is important for medical professionals and students alike. Early recognition and treatment can greatly improve outcomes for patients with this condition.
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This question is part of the following fields:
- Neurology
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Question 19
Correct
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A 55-year-old male carpenter visits the GP clinic complaining of right foot drop. He has a medical history of type 2 diabetes mellitus and hypertension. During the examination, the doctor observed weakness in the right foot dorsiflexion and eversion. The patient also reported sensory loss on the dorsum of the right foot and lower lateral part of the right leg. No other neurological deficits were detected. What is the probable diagnosis?
Your Answer: Common peroneal nerve palsy
Explanation:The patient is likely suffering from common peroneal nerve palsy, which may be caused by diabetes. This condition can result in weakness of foot dorsiflexion and foot eversion. L5 nerve root compression is a possible cause of foot drop, but it does not lead to weakness of foot eversion, so it is not the correct option. Sciatic nerve palsy can also cause foot drop, but it can also affect other nerves, resulting in weakness of foot plantar flexion and sensory loss of the sole of the foot, which is not present in this case. Stroke is a central cause of foot drop, but the absence of upper motor neuron signs suggests common peroneal nerve pathology is more likely. Polyneuropathy involves multiple nerves, so it is not the correct option.
Understanding Common Peroneal Nerve Lesion
A common peroneal nerve lesion is a type of nerve injury that often occurs at the neck of the fibula. This nerve is a branch of the sciatic nerve, which divides into the tibial and common peroneal nerves. The most notable symptom of this type of nerve damage is foot drop, which is characterized by weakness or paralysis of the muscles that lift the foot.
In addition to foot drop, other symptoms of a common peroneal nerve lesion may include weakness in foot dorsiflexion and eversion, as well as the extensor hallucis longus muscle. Sensory loss may also occur over the dorsum of the foot and the lower lateral part of the leg, and there may be wasting of the anterior tibial and peroneal muscles.
Overall, understanding the symptoms of a common peroneal nerve lesion can help individuals recognize and seek treatment for this type of nerve injury. With proper care and management, it may be possible to improve symptoms and prevent further damage to the affected nerve.
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This question is part of the following fields:
- Neurology
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Question 20
Incorrect
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A 45-year-old man with hypertension complains of recurring headaches accompanied by sensitivity to light, nausea, and occasional vomiting. The headaches usually affect the right side of his head and sometimes cause temporary vision problems. They last up to 10 hours and occur approximately once every 4-6 weeks. The neurological examination and blood pressure are normal.
What would be the most suitable initial medical treatment for acute attacks? Choose the ONE most appropriate first-line medical treatment from the options provided.Your Answer: Sumatriptan
Correct Answer: Ibuprofen
Explanation:Treatment Options for Migraines: A Comparison of Medications
Migraines are a recurring type of headache that can last for several hours to a few days. They are often accompanied by symptoms such as sensitivity to light and sound, nausea, and vomiting. There are several medications available for the treatment of migraines, each with its own benefits and drawbacks.
Ibuprofen is a simple analgesic that is recommended by the National Institute for Health and Care Excellence (NICE) for the treatment of acute migraine attacks. It is safe for patients with ischaemic heart disease, but the daily dose should not exceed 1200 mg.
Sumatriptan is a serotonin-receptor agonist that causes intracerebral vasoconstriction. It is recommended by NICE for the treatment of acute migraines, but it is contraindicated in patients with a history of ischaemic heart disease.
Amitriptyline is a tricyclic antidepressant that is used for long-term prophylaxis of migraines. It is recommended by NICE for this use but not for acute treatment.
Co-codamol, an opiate medication, is not recommended by NICE for the treatment of migraines due to the risk of medication-overuse headache and worsening of nausea and vomiting symptoms.
Ergotamine tartrate, another medication that was previously used to treat migraines, is now limited in use due to its unpleasant side effects such as nausea and vomiting. NICE advises against its use for the treatment of acute migraines.
In conclusion, the choice of medication for the treatment of migraines should be based on the patient’s medical history and the severity of their symptoms. Patients should consult with their healthcare provider to determine the best treatment plan for their individual needs.
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This question is part of the following fields:
- Neurology
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Question 21
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A 28-year-old female patient arrives at the Emergency Department at 37 weeks gestation with blurred vision and severe headache. She reports upper abdominal pain for the last few hours. Upon examination, her blood pressure is 160/110 mmHg and urinalysis shows proteinuria. While taking her medical history, she experiences a tonic-clonic seizure. What is the appropriate pharmacological treatment to stop this seizure?
Your Answer: Intravenous magnesium sulfate
Explanation:When a seizure is suspected to be caused by eclampsia, the recommended first-line treatment is intravenous magnesium sulfate, given as a loading dose followed by an infusion. In the case of convulsive status epilepticus, intravenous lorazepam is the preferred in-hospital treatment, with phenytoin as an alternative if lorazepam is ineffective. Glucose may be administered if hypoglycemia is a contributing factor. It is not appropriate to administer oral medications to a patient with a decreased level of consciousness. (Adapted from BMJ Best Practice – Pre-eclampsia)
Understanding Eclampsia and its Treatment
Eclampsia is a condition that occurs when seizures develop in association with pre-eclampsia, a pregnancy-induced hypertension that is characterized by proteinuria and occurs after 20 weeks of gestation. To prevent seizures in patients with severe pre-eclampsia and treat seizures once they develop, magnesium sulphate is commonly used. However, it is important to note that this medication should only be given once a decision to deliver has been made. In cases of eclampsia, an IV bolus of 4g over 5-10 minutes should be given, followed by an infusion of 1g/hour. During treatment, it is crucial to monitor urine output, reflexes, respiratory rate, and oxygen saturations. Respiratory depression can occur, and calcium gluconate is the first-line treatment for magnesium sulphate-induced respiratory depression. Treatment should continue for 24 hours after the last seizure or delivery, as around 40% of seizures occur post-partum. Additionally, fluid restriction is necessary to avoid the potentially serious consequences of fluid overload.
In summary, understanding the development of eclampsia and its treatment is crucial in managing this potentially life-threatening condition. Magnesium sulphate is the primary medication used to prevent and treat seizures, but it should only be given once a decision to deliver has been made. Monitoring vital signs and urine output is essential during treatment, and calcium gluconate should be readily available in case of respiratory depression. Finally, fluid restriction is necessary to avoid complications associated with fluid overload.
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This question is part of the following fields:
- Neurology
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Question 22
Incorrect
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A 65-year-old man comes to the General Practitioner with his daughter. She reports that her father’s behavior has changed over the past year. He used to be a very sociable and outgoing man but recently he has become withdrawn and uninterested in his hobbies. He has also become forgetful and has difficulty completing tasks that he used to do easily. The patient tells you that he does not think there is anything wrong with him and he is just getting older.
Which of the following is the most likely diagnosis?Your Answer: Alzheimer’s disease
Correct Answer: Frontotemporal dementia
Explanation:Differentiating Types of Dementia: A Brief Overview
Dementia is a broad term used to describe a decline in cognitive function that interferes with daily activities. However, there are different types of dementia, each with unique characteristics. Here are some key features to help differentiate between frontotemporal dementia, Alzheimer’s disease, Huntington’s disease, normal-pressure hydrocephalus (NPH), and Parkinson’s disease.
Frontotemporal Dementia
This type of dementia is rare and typically affects individuals between the ages of 55 and 65. Early personality and behavior changes are core symptoms, while memory impairment is not typical. Other key features include a gradual progression, decline in social conduct, emotional blunting, and loss of insight.Alzheimer’s Disease
Alzheimer’s disease is the most common form of dementia, affecting individuals over the age of 65. Memory loss is a key early symptom, followed by agitation and obsessive behavior later in the disease course.Huntington’s Disease
Huntington’s disease is a neurodegenerative condition that is often inherited. Symptoms include memory impairment, depression, clumsiness, mood swings, and difficulty concentrating. However, this patient’s symptoms are more consistent with early frontotemporal dementia.Normal-Pressure Hydrocephalus (NPH)
NPH is a reversible cause of dementia characterized by gait abnormality, memory impairment, and incontinence. It may be mistaken for Parkinson’s disease, but symptoms will not improve with levodopa.Parkinson’s Disease
While dementia and hallucinations may develop during the course of Parkinson’s disease, it is primarily a movement disorder characterized by tremors, rigidity, and bradykinesia. -
This question is part of the following fields:
- Neurology
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Question 23
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A 38-year-old woman complains of a sudden 'droop' on the right side of her face upon waking up this morning. She denies any weakness in her limbs, difficulty swallowing, or changes in her vision. Upon examination, you observe paralysis on the upper and lower right side of her face. Which of the following symptoms would be most indicative of Bell's palsy?
Your Answer: Hyperacusis
Explanation:Ramsey Hunt syndrome can be diagnosed based on the presence of a vesicular rash near the ear, which is often accompanied by hyperacusis in approximately one-third of patients.
Understanding Bell’s Palsy
Bell’s palsy is a sudden, one-sided facial nerve paralysis of unknown cause. It is more common in individuals aged 20-40 years and pregnant women. The condition is characterized by lower motor neuron facial nerve palsy, which affects the forehead. Unlike upper motor neuron lesions, the upper face is spared. Patients may also experience post-auricular pain, altered taste, dry eyes, and hyperacusis.
The management of Bell’s palsy has been a subject of debate. However, it is now widely accepted that all patients should receive oral prednisolone within 72 hours of onset. The addition of antiviral medications is still a matter of discussion, but it may be beneficial for severe facial palsy. Eye care is also crucial to prevent exposure keratopathy, and patients should be prescribed artificial tears and eye lubricants. If they are unable to close their eyes at bedtime, they should tape them closed using microporous tape.
If the paralysis shows no sign of improvement after three weeks, an urgent referral to ENT is necessary. Patients with long-standing weakness may require a referral to plastic surgery. The prognosis for Bell’s palsy is generally good, with most patients making a full recovery within 3-4 months. However, untreated patients may experience permanent moderate to severe weakness in around 15% of cases.
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This question is part of the following fields:
- Neurology
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Question 24
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A 65-year-old man, who was recently diagnosed with atrial fibrillation but has not yet started any anticoagulant medication, presents with new-onset weakness on the left side of his body. He is also experiencing difficulty speaking and has lost vision on the left side. He contacts emergency services and is transported to the hospital where he undergoes an urgent CT head and MR angiogram. The results confirm a proximal anterior circulation occlusive stroke that occurred approximately 3 hours ago.
What is the most definitive course of action for managing this patient?Your Answer: Arrange thrombectomy AND thrombolysis as soon as possible
Explanation:For patients with an acute ischaemic stroke who present within 4.5 hours, it is recommended to arrange both thrombolysis and thrombectomy as soon as possible. This is in line with NICE guidelines, which suggest offering both treatments to patients diagnosed with an acute proximal anterior circulation occlusive stroke confirmed on CT or MR angiogram. Thrombectomy alone can be offered up to 6 hours post-presentation. Giving a stat dose of aspirin is also part of the acute treatment of ischaemic stroke, but it is not a definitive treatment option. Starting apixaban for atrial fibrillation is not appropriate in the initial management of acute ischaemic stroke, as anticoagulant treatment is usually delayed for at least 2 weeks to reduce the risk of haemorrhagic transformation.
The Royal College of Physicians (RCP) and NICE have published guidelines on the diagnosis and management of patients following a stroke. The management of acute stroke includes maintaining normal levels of blood glucose, hydration, oxygen saturation, and temperature. Blood pressure should not be lowered in the acute phase unless there are complications. Aspirin should be given as soon as possible if a haemorrhagic stroke has been excluded. Anticoagulants should not be started until brain imaging has excluded haemorrhage. Thrombolysis with alteplase should only be given if administered within 4.5 hours of onset of stroke symptoms and haemorrhage has been definitively excluded. Mechanical thrombectomy is a new treatment option for patients with an acute ischaemic stroke. NICE recommends thrombectomy for people who have acute ischaemic stroke and confirmed occlusion of the proximal anterior circulation demonstrated by computed tomographic angiography or magnetic resonance angiography. Secondary prevention includes the use of clopidogrel and dipyridamole. Carotid artery endarterectomy should only be considered if carotid stenosis is greater than 70% according to ECST criteria or greater than 50% according to NASCET criteria.
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This question is part of the following fields:
- Neurology
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Question 25
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A 67-year-old man presents to his General Practitioner reporting a feeling of weakness in his right arm that occurred about 10 hours ago. He states that the weakness lasted for around one hour and has since disappeared. He has a history of hypertension and takes amlodipine, but is typically healthy.
What is the most suitable course of action for management?Your Answer: Give aspirin 300 mg and refer immediately to be seen in the Stroke Clinic within 24 hours
Explanation:Management of Transient Ischaemic Attack (TIA)
Transient ischaemic attack (TIA) is a medical emergency that requires prompt management to prevent a subsequent stroke. Here are some management strategies for TIA:
Immediate administration of aspirin 300 mg and referral to the Stroke Clinic within 24 hours is recommended, unless contraindicated. Clopidogrel 75 mg once daily is the preferred secondary prevention following a stroke or TIA.
An outpatient magnetic resonance imaging (MRI) head scan may be considered to determine the territory of ischaemia, but only after assessment by a specialist at a TIA clinic.
Patients who have had a suspected TIA within the last week should be offered aspirin 300 mg at once and be seen by a stroke specialist within 24 hours. If the suspected TIA was more than one week ago, patients should be seen by a specialist within the next seven days.
Dual antiplatelet therapy with aspirin and clopidogrel may be considered for the first three months following a TIA or ischaemic stroke if the patient has severe symptomatic intracranial stenosis or for another condition such as acute coronary syndrome.
Management Strategies for Transient Ischaemic Attack (TIA)
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This question is part of the following fields:
- Neurology
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Question 26
Incorrect
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A 50-year-old male comes to the emergency department at 3am complaining of an excruciating one-sided headache. He reports the pain is unbearable and situated behind his right eye. During the examination, his right eye appears red and watery, with a small pupil, and the patient seems restless. Upon further inquiry, he reveals that he has been experiencing these headaches every night for a few weeks. What medication can be administered for long-term prevention of these headaches?
Your Answer: Propranolol
Correct Answer: Verapamil
Explanation:Verapamil is utilized to prevent cluster headaches in the long term, while sumatriptan is employed as an immediate rescue therapy in conjunction with high-flow oxygen. It is important to carefully read the question to ensure the correct medication is selected. Propranolol is used for migraine prevention, while sertraline, an SSRI, is used to treat depression and has a similar mechanism of action to sumatriptan.
Cluster headaches are a type of headache that is known to be extremely painful. They are called cluster headaches because they tend to occur in clusters that last for several weeks, usually once a year. These headaches are more common in men and smokers, and alcohol and sleep patterns may trigger an attack. The pain typically occurs once or twice a day, lasting between 15 minutes to 2 hours. The pain is intense and sharp, usually around one eye, and is accompanied by redness, lacrimation, lid swelling, and nasal stuffiness. Some patients may also experience miosis and ptosis.
To manage cluster headaches, 100% oxygen or subcutaneous triptan can be used for acute treatment, with response rates of 80% and 75% respectively within 15 minutes. Verapamil is the drug of choice for prophylaxis, and a tapering dose of prednisolone may also be effective. It is recommended to seek specialist advice from a neurologist if a patient develops cluster headaches, especially with respect to neuroimaging. Some neurologists use the term trigeminal autonomic cephalgia to group a number of conditions including cluster headache, paroxysmal hemicrania, and short-lived unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT). Patients with these conditions should be referred for specialist assessment as specific treatment may be required, such as indomethacin for paroxysmal hemicrania.
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This question is part of the following fields:
- Neurology
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Question 27
Incorrect
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A 42-year-old woman presents with a 2-day history of right-sided neck pain and left-sided sensorimotor disturbance. Shortly after the neck pain had begun, she had noted that her right eyelid was ‘drooping’ and that she had developed weakness and altered sensation in her left arm and leg. She had recently visited a physiotherapist for neck pain after a fall. Examination reveals right Horner syndrome, and weakness and sensory disturbance on the left-hand side, with a left extensor plantar response.
Which of the following is the most likely clinical diagnosis?Your Answer: Subarachnoid haemorrhage (SAH)
Correct Answer: Carotid artery dissection
Explanation:Differential Diagnosis for a Young Patient with Neck Pain and Stroke Syndrome
Carotid artery dissection, lateral medullary infarction, posterior fossa space-occupying lesion, subarachnoid hemorrhage, and venous sinus thrombosis are all potential causes of neck pain and stroke syndrome in a young patient. Carotid artery dissection is a tear in one of the carotid arteries that can occur spontaneously or following trauma. Symptoms may include vague headache, facial and neck pain, meiosis, ptosis, focal limb weakness, and cranial nerve palsies. Lateral medullary infarction is usually due to occlusion of the intracranial vertebral artery or the posterior inferior cerebellar artery and may present with vestibulocerebellar symptoms, ipsilateral Horner syndrome, sensory symptoms, and ipsilateral bulbar muscle weakness. Posterior fossa space-occupying lesions are more common in children and may cause symptoms due to raised intracranial pressure and brainstem/cerebellum compression. Subarachnoid hemorrhage presents with a sudden-onset, severe headache, while venous sinus thrombosis usually presents with progressive headache, nausea, vomiting, and seizures. Hemiplegia may occur in both posterior fossa space-occupying lesions and venous sinus thrombosis, but Horner syndrome does not occur in either. A thorough evaluation is necessary to determine the underlying cause of neck pain and stroke syndrome in a young patient.
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This question is part of the following fields:
- Neurology
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Question 28
Incorrect
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A 14-year-old boy presents with difficulty in walking and foot drop. There is weakness of dorsiflexion and eversion of the right foot, with a small area of sensory loss over the dorsum of that foot.
Which of the following is the most likely diagnosis?
Your Answer: L5 root lesion
Correct Answer: Common peroneal nerve lesion
Explanation:The common peroneal nerve is a branch of the sciatic nerve that provides motor and sensory innervation to the lateral and anterior compartments of the leg, as well as the dorsum of the foot. Damage to this nerve, often caused by fibular neck fracture, results in footdrop and sensory loss in the affected areas.
The sciatic nerve, which originates from the lumbosacral plexus, innervates the posterior compartment of the thigh and indirectly innervates the posterior leg/calf muscles and some intrinsic muscles of the feet. It also provides sensory innervation to the posterolateral leg, lateral foot, and sole of the foot. Sciatica, a common condition that causes pain radiating down the leg, is often caused by irritation of the sciatic nerve root.
The posterior tibial nerve, another branch of the sciatic nerve, supplies motor innervation to the posterior compartment of the leg and sensory innervation to the posterolateral leg, lateral foot, and sole of the foot. Damage to this nerve, often caused by compression or trauma, results in ankle and sole of foot paraesthesiae.
The L5 root innervates muscles responsible for ankle and great toe dorsiflexion, hip abduction, and sensory innervation to the buttocks, posterolateral thigh, and lateral calf. L5 radiculopathy, which causes pain radiating from the lower back to the foot, is a common condition associated with damage to this root.
The deep peroneal nerve, a branch of the common peroneal nerve, innervates the muscles responsible for foot dorsiflexion and provides sensory innervation to the area between the first and second toes. Damage to this nerve, often caused by conditions such as LMD or diabetes, results in footdrop with minimal sensory loss and preserved eversion.
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This question is part of the following fields:
- Neurology
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Question 29
Correct
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A 30-year-old male presents with a bilateral high-stepping gait. He is typically healthy, works as a personal trainer, and enjoys rock climbing in his free time. During the examination, there is bilateral weakness of dorsiflexion (3/5) and slightly decreased sensation over the dorsal aspect of his feet. The compression of which nerve do you suspect is responsible for his symptoms, possibly caused by his high rock climbing boots?
Your Answer: Common fibular nerve
Explanation:Damage to the common peroneal nerve can result in weakened dorsiflexion and eversion of the foot. The nerve runs laterally through the popliteal fossa and over the neck of the fibula before entering the medial compartment of the leg. This area is susceptible to compression or injury, leading to sensory and motor impairments. In this case, the individual’s tight abseiling boots have been compressing their common peroneal nerve.
Understanding Common Peroneal Nerve Lesion
A common peroneal nerve lesion is a type of nerve injury that often occurs at the neck of the fibula. This nerve is a branch of the sciatic nerve, which divides into the tibial and common peroneal nerves. The most notable symptom of this type of nerve damage is foot drop, which is characterized by weakness or paralysis of the muscles that lift the foot.
In addition to foot drop, other symptoms of a common peroneal nerve lesion may include weakness in foot dorsiflexion and eversion, as well as the extensor hallucis longus muscle. Sensory loss may also occur over the dorsum of the foot and the lower lateral part of the leg, and there may be wasting of the anterior tibial and peroneal muscles.
Overall, understanding the symptoms of a common peroneal nerve lesion can help individuals recognize and seek treatment for this type of nerve injury. With proper care and management, it may be possible to improve symptoms and prevent further damage to the affected nerve.
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This question is part of the following fields:
- Neurology
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Question 30
Correct
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As the on-call duty doctor, you are in your room when a receptionist rushes in, alarmed that an elderly woman has been hit by a car in the surgery car park. The receptionist calls an ambulance while you quickly assess the patient. The patient's airway is clear, with spontaneous breathing at a rate of 18 breaths per minute and oxygen saturation of 98% on room air. The patient is hemodynamically stable with a heart rate of 70 beats per minute and blood pressure of 138/86 mmHg. The patient is lethargic, but responds to voice and exhibits abnormal flexion in response to pain. The patient mumbles incomprehensible sounds when asked questions. What is the patient's Glasgow Coma Scale (GCS) score based on your assessment?
Your Answer: 8
Explanation:What is the patient’s GCS based on the assessment that he is drowsy, but his eyes open to voice and exhibits abnormal flexion to pain, and mutters incomprehensible sounds in response to questions?
GCS score is 7.Understanding the Glasgow Coma Scale for Adults
The Glasgow Coma Scale (GCS) is a tool used to assess the level of consciousness in adults who have suffered a brain injury or other neurological condition. It is based on three components: motor response, verbal response, and eye opening. Each component is scored on a scale from 1 to 6, with a higher score indicating a better level of consciousness.
The motor response component assesses the patient’s ability to move in response to stimuli. A score of 6 indicates that the patient is able to obey commands, while a score of 1 indicates no movement at all.
The verbal response component assesses the patient’s ability to communicate. A score of 5 indicates that the patient is fully oriented, while a score of 1 indicates no verbal response at all.
The eye opening component assesses the patient’s ability to open their eyes. A score of 4 indicates that the patient is able to open their eyes spontaneously, while a score of 1 indicates no eye opening at all.
The GCS score is expressed as a combination of the scores from each component, with the motor response score listed first, followed by the verbal response score, and then the eye opening score. For example, a GCS score of 13, M5 V4 E4 at 21:30 would indicate that the patient had a motor response score of 5, a verbal response score of 4, and an eye opening score of 4 at 9:30 PM.
Overall, the Glasgow Coma Scale is a useful tool for healthcare professionals to assess the level of consciousness in adults with neurological conditions.
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This question is part of the following fields:
- Neurology
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