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  • Question 1 - A 19-year-old male arrives at the emergency department with complaints of hand pain...

    Correct

    • A 19-year-old male arrives at the emergency department with complaints of hand pain after punching a wall. He reports swelling and pain on the ulnar side of his hand. Based on his injury mechanism, what is the most probable diagnosis?

      Your Answer: 5th metacarpal 'Boxer's' fracture

      Explanation:

      When a person punches a hard surface, they may suffer from a ‘Boxer fracture’, which is a type of 5th metacarpal fracture that is usually only slightly displaced.

      Boxer fracture is a type of fracture that occurs in the fifth metacarpal bone. It is usually caused by punching a hard surface, such as a wall, and results in a minimally displaced fracture. This means that the bone is broken but the pieces are still in alignment and have not moved significantly out of place. The injury is named after boxers because it is a common injury in this sport, but it can also occur in other activities that involve punching or striking objects. Proper treatment and management of a boxer fracture is important to ensure proper healing and prevent long-term complications.

    • This question is part of the following fields:

      • Musculoskeletal
      15.8
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  • Question 2 - A 55-year-old man presents to the Emergency Department with complaints of a pulsating...

    Incorrect

    • A 55-year-old man presents to the Emergency Department with complaints of a pulsating headache and tenderness on palpation of the same area. He complains of pain in his jaw while eating.
      Which of the following is the most appropriate next step?

      Your Answer: Arrange an urgent temporal artery biopsy for the next day

      Correct Answer: Start oral steroids

      Explanation:

      Management of Suspected Giant-Cell Arteritis

      Giant-cell arteritis (GCA) is a medical emergency that requires prompt diagnosis and treatment to prevent irreversible loss of vision. The following are the appropriate steps in managing a patient with suspected GCA:

      Prompt Management of Suspected Giant-Cell Arteritis

      1. Start oral steroids immediately: Delaying treatment can lead to vision loss. Steroids should be initiated even before the diagnosis is confirmed by temporal artery biopsy.

      2. Admit and start on methotrexate if necessary: Patients on steroids are at high risk of side effects. Methotrexate or tocilizumab can be used in those who have steroid toxicity, along with tapering doses of steroids.

      3. Arrange an urgent temporal artery biopsy: This is the gold-standard investigation for GCA. However, treatment should not be delayed till after the biopsy.

      4. Do not refer to a rheumatologist on an outpatient basis: A rheumatologist will eventually be involved in the management of GCA, but immediate treatment is necessary.

      5. Do not arrange an MRI scan of the brain: This is not indicated in the usual evaluation of GCA. It is used in specific cases of extracranial GCA or when there is strong clinical suspicion but a negative temporal artery biopsy.

    • This question is part of the following fields:

      • Musculoskeletal
      25.4
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  • Question 3 - During a routine medication review, you observe your patient, a 50 year-old male,...

    Correct

    • During a routine medication review, you observe your patient, a 50 year-old male, displaying some skin changes. The knuckles of both hands have purplish plaques, and the patient's eyelids also appear purple. There is no history of skin problems in the patient's medical records. What is the probable diagnosis?

      Your Answer: Dermatomyositis

      Explanation:

      Dermatomyositis is a connective tissue disease that presents with skin changes such as plaques on the knuckles and eyelids, scaling of the scalp, and changes to the nail beds and cuticles. It is often accompanied by inflammation of the proximal muscles causing weakness. It can be an autoimmune condition or a paraneoplastic syndrome and is treated with immunosuppressants.

      Dermatomyositis is a condition that causes inflammation and muscle weakness, as well as distinct skin lesions. It can occur on its own or be associated with other connective tissue disorders or underlying cancers, particularly ovarian, breast, and lung cancer. Screening for cancer is often done after a diagnosis of dermatomyositis. Polymyositis is a variant of the disease that does not have prominent skin manifestations.

      The skin features of dermatomyositis include a photosensitive macular rash on the back and shoulders, a heliotrope rash around the eyes, roughened red papules on the fingers’ extensor surfaces (known as Gottron’s papules), extremely dry and scaly hands with linear cracks on the fingers’ palmar and lateral aspects (known as mechanic’s hands), and nail fold capillary dilatation. Other symptoms may include proximal muscle weakness with tenderness, Raynaud’s phenomenon, respiratory muscle weakness, interstitial lung disease (such as fibrosing alveolitis or organizing pneumonia), dysphagia, and dysphonia.

      Investigations for dermatomyositis typically involve testing for ANA antibodies, which are positive in around 80% of patients. Approximately 30% of patients have antibodies to aminoacyl-tRNA synthetases, including antibodies against histidine-tRNA ligase (also called Jo-1), antibodies to signal recognition particle (SRP), and anti-Mi-2 antibodies.

    • This question is part of the following fields:

      • Musculoskeletal
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  • Question 4 - A 75-year-old man is prescribed oral alendronate after a hip fracture. Can you...

    Correct

    • A 75-year-old man is prescribed oral alendronate after a hip fracture. Can you provide instructions on how to take the tablet?

      Your Answer: Take at least 30 minutes before breakfast with plenty of water + sit-upright for 30 minutes following

      Explanation:

      Bisphosphonates: Uses and Adverse Effects

      Bisphosphonates are drugs that mimic the action of pyrophosphate, a molecule that helps prevent bone demineralization. They work by inhibiting osteoclasts, which are cells that break down bone tissue. This reduces the risk of bone fractures and can be used to treat conditions such as osteoporosis, hypercalcemia, Paget’s disease, and pain from bone metastases.

      However, bisphosphonates can have adverse effects, including oesophageal reactions such as oesophagitis and ulcers, osteonecrosis of the jaw, and an increased risk of atypical stress fractures of the proximal femoral shaft in patients taking alendronate. Patients may also experience an acute phase response, which can cause fever, myalgia, and arthralgia. Hypocalcemia, or low calcium levels, can also occur due to reduced calcium efflux from bone, but this is usually not clinically significant.

      To minimize the risk of adverse effects, patients taking oral bisphosphonates should swallow the tablets whole with plenty of water while sitting or standing. They should take the medication on an empty stomach at least 30 minutes before breakfast or other oral medications and remain upright for at least 30 minutes after taking the tablet. Hypocalcemia and vitamin D deficiency should be corrected before starting bisphosphonate treatment, and calcium supplements should only be prescribed if dietary intake is inadequate. The duration of bisphosphonate treatment varies depending on the patient’s level of risk, and some authorities recommend stopping treatment after five years for low-risk patients with a femoral neck T-score of > -2.5.

    • This question is part of the following fields:

      • Musculoskeletal
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  • Question 5 - A 35-year-old male presents with inner elbow and forearm pain that started after...

    Correct

    • A 35-year-old male presents with inner elbow and forearm pain that started after building a bookcase at home three days ago. He has no regular medication and is generally healthy. During the examination, you notice tenderness in the medial elbow joint and the patient reports discomfort when resisting wrist pronation. What is the probable diagnosis?

      Your Answer: Golfer's elbow

      Explanation:

      Epicondylitis results from repetitive stress that leads to inflammation of the common extensor tendon located at the epicondyle. Medial epicondylitis, also known as golfer’s elbow, causes tenderness at the medial epicondyle and results in wrist pain on resisted pronation. Lateral epicondylitis, or tennis elbow, causes tenderness at the lateral epicondyle and results in elbow pain on resisted extension of the wrist.

      Common Causes of Elbow Pain

      Elbow pain can be caused by a variety of conditions, each with their own characteristic features. Lateral epicondylitis, also known as tennis elbow, is characterized by pain and tenderness localized to the lateral epicondyle. Pain is worsened by resisted wrist extension with the elbow extended or supination of the forearm with the elbow extended. Episodes typically last between 6 months and 2 years, with acute pain lasting for 6-12 weeks.

      Medial epicondylitis, or golfer’s elbow, is characterized by pain and tenderness localized to the medial epicondyle. Pain is aggravated by wrist flexion and pronation, and symptoms may be accompanied by numbness or tingling in the 4th and 5th finger due to ulnar nerve involvement.

      Radial tunnel syndrome is most commonly due to compression of the posterior interosseous branch of the radial nerve, and is thought to be a result of overuse. Symptoms are similar to lateral epicondylitis, but the pain tends to be around 4-5 cm distal to the lateral epicondyle. Symptoms may be worsened by extending the elbow and pronating the forearm.

      Cubital tunnel syndrome is due to the compression of the ulnar nerve. Initially, patients may experience intermittent tingling in the 4th and 5th finger, which may be worse when the elbow is resting on a firm surface or flexed for extended periods. Later, numbness in the 4th and 5th finger with associated weakness may occur.

      Olecranon bursitis is characterized by swelling over the posterior aspect of the elbow, with associated pain, warmth, and erythema. It typically affects middle-aged male patients. Understanding the characteristic features of these conditions can aid in their diagnosis and treatment.

    • This question is part of the following fields:

      • Musculoskeletal
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  • Question 6 - A 42-year-old female complains of a burning sensation on the anterolateral aspect of...

    Correct

    • A 42-year-old female complains of a burning sensation on the anterolateral aspect of her right thigh. The doctor suspects meralgia paraesthetica. Which nerve is the most probable cause of this condition?

      Your Answer: Lateral cutaneous nerve of thigh

      Explanation:

      A possible cause of burning pain in the thigh is compression of the lateral cutaneous nerve, which can lead to a condition called meralgia paraesthetica. Meralgia paraesthetica, a condition characterized by burning pain in the thigh, may result from compression of the lateral cutaneous nerve of the thigh.

      Understanding Meralgia Paraesthetica

      Meralgia paraesthetica is a condition characterized by paraesthesia or anaesthesia in the distribution of the lateral femoral cutaneous nerve (LFCN). It is caused by entrapment of the LFCN, which can be due to various factors such as trauma, iatrogenic causes, or neuroma. Although not rare, it is often underdiagnosed.

      The LFCN is a sensory nerve that originates from the L2/3 segments and runs beneath the iliac fascia before exiting through the lateral aspect of the inguinal ligament. Compression of the nerve can occur anywhere along its course, but it is most commonly affected as it curves around the anterior superior iliac spine. Meralgia paraesthetica is more common in men than women and is often seen in those aged between 30 and 40.

      Patients with meralgia paraesthetica typically experience burning, tingling, coldness, or shooting pain, as well as numbness and deep muscle ache in the upper lateral aspect of the thigh. Symptoms are usually aggravated by standing and relieved by sitting. The condition can be mild and resolve spontaneously or severely restrict the patient for many years.

      Diagnosis of meralgia paraesthetica can be made based on the pelvic compression test, which is highly sensitive. Injection of the nerve with local anaesthetic can also confirm the diagnosis and provide relief. Ultrasound is effective both for diagnosis and guiding injection therapy. Nerve conduction studies may also be useful. Overall, understanding meralgia paraesthetica is important for prompt diagnosis and management of this condition.

    • This question is part of the following fields:

      • Musculoskeletal
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  • Question 7 - A 25-year-old man presents with sudden onset of pain in his right elbow...

    Correct

    • A 25-year-old man presents with sudden onset of pain in his right elbow and left Achilles tendon. He reports dysuria, conjunctivitis, and fever, and recently returned from a trip to the Far East where he had unprotected sex. He has also developed macules and pustules on his hands. What is the most likely diagnosis?

      Your Answer: Reactive arthritis

      Explanation:

      Reactive arthritis is a type of arthritis that occurs after an infection, typically dysentery or a sexually transmitted disease. It affects 1-2% of patients who have had these infections, with Salmonella, Shigella, and Yersinia causing diarrheal illness that can lead to reactive arthritis, and Chlamydia trichomonas and Ureaplasma urealyticum causing STDs. Those who are HLA-B27-positive are at a higher risk of developing reactive arthritis. Symptoms include acute, asymmetrical lower limb arthritis, enthesitis causing plantar fasciitis or Achilles tendinosis, and back pain from sacroiliitis and spondylosis. Other symptoms may include acute anterior uveitis, circinate balanitis, keratoderma blenorrhagia, nail dystrophy, mouth ulcers, and bilateral conjunctivitis. The classic triad of conjunctivitis, urethritis, and arthritis may also be present. In this scenario, the patient’s symptoms and history of unprotected sexual intercourse suggest reactive arthritis as the correct diagnosis. Other potential diagnoses, such as UTI, HIV, psoriatic arthritis, and syphilitic arthritis, can be ruled out based on the patient’s symptoms and history.

    • This question is part of the following fields:

      • Musculoskeletal
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  • Question 8 - A 55-year-old diabetic right-handed woman complains of left shoulder discomfort. She reports a...

    Incorrect

    • A 55-year-old diabetic right-handed woman complains of left shoulder discomfort. She reports a rigid shoulder that is frequently more painful at night and struggles with dressing or fastening her bra. Upon examination, there is no pinpoint tenderness, but you observe weakness in external rotation.
      What could be the probable reason for her shoulder pain?

      Your Answer: Rotator cuff tear

      Correct Answer: Adhesive capsulitis

      Explanation:

      Adhesive capsulitis typically results in a reduction of external rotation, both in active and passive movements.

      Understanding Adhesive Capsulitis (Frozen Shoulder)

      Adhesive capsulitis, commonly known as frozen shoulder, is a prevalent cause of shoulder pain that primarily affects middle-aged women. The exact cause of this condition is not yet fully understood. However, studies have shown that up to 20% of diabetics may experience an episode of frozen shoulder. Symptoms typically develop over several days, with external rotation being more affected than internal rotation or abduction. Both active and passive movement are affected, and patients usually experience a painful freezing phase, an adhesive phase, and a recovery phase. In some cases, the condition may affect both shoulders, which occurs in up to 20% of patients. The episode typically lasts between 6 months and 2 years.

      Diagnosis of adhesive capsulitis is usually clinical, although imaging may be necessary for atypical or persistent symptoms. Unfortunately, no single intervention has been proven to improve the outcome in the long-term. However, there are several treatment options available, including nonsteroidal anti-inflammatory drugs (NSAIDs), physiotherapy, oral corticosteroids, and intra-articular corticosteroids.

    • This question is part of the following fields:

      • Musculoskeletal
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  • Question 9 - A 25-year-old student with ankylosing spondylitis (AS) has increasing back pain and early...

    Correct

    • A 25-year-old student with ankylosing spondylitis (AS) has increasing back pain and early morning stiffness.
      Which of the following treatments would you recommend?

      Your Answer: Oral NSAIDs

      Explanation:

      Non-steroidal anti-inflammatory drugs (NSAIDs) are the primary treatment for relieving symptoms of ankylosing spondylitis (AS). It is recommended to co-prescribe a proton pump inhibitor to protect the stomach. If one NSAID is ineffective, switching to another may be helpful. Slow-release NSAIDs may be beneficial for morning stiffness and pain. Colchicine is not recommended for AS due to severe side-effects. Paracetamol and codeine have no direct evidence for treating AS symptoms, but may be used in conjunction with NSAIDs if appropriate. Surgery may be necessary in cases of structural damage, severe deformity, spinal instability, or neurological deficit. Oral corticosteroids should be avoided due to long-term side-effects, but intra-articular injections may provide relief during acute flares. Tumor necrosis factor-alpha (TNF-α)-blocking drugs are effective in reducing symptoms and inflammation in those with persistent, active inflammation. Rituximab has no role in treating seronegative arthritis.

    • This question is part of the following fields:

      • Musculoskeletal
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  • Question 10 - A 67-year-old woman visits her doctor complaining of joint stiffness, fatigue, and swelling...

    Correct

    • A 67-year-old woman visits her doctor complaining of joint stiffness, fatigue, and swelling and tenderness in the metacarpophalangeal joints. The doctor suspects Rheumatoid Arthritis. What is the plasma autoantibody with the greatest specificity for Rheumatoid Arthritis?

      Your Answer: Anti-CCP

      Explanation:

      For the detection of Rheumatoid Arthritis, Anti-CCP has the most specific results. It can be identified in patients even a decade before the diagnosis and is advised for all individuals suspected of having Rheumatoid Arthritis but have tested negative for rheumatoid factor.

      Rheumatoid arthritis is a condition that can be diagnosed through initial investigations, including antibody tests and x-rays. One of the first tests recommended is the rheumatoid factor (RF) test, which detects a circulating antibody that reacts with the patient’s own IgG. This test can be done through the Rose-Waaler test or the latex agglutination test, with the former being more specific. A positive RF result is found in 70-80% of patients with rheumatoid arthritis, and high levels are associated with severe progressive disease. However, it is not a marker of disease activity. Other conditions that may have a positive RF result include Felty’s syndrome, Sjogren’s syndrome, infective endocarditis, SLE, systemic sclerosis, and the general population.

      Another antibody test that can aid in the diagnosis of rheumatoid arthritis is the anti-cyclic citrullinated peptide antibody test. This test can detect the antibody up to 10 years before the development of rheumatoid arthritis and has a sensitivity similar to RF (around 70%) but a much higher specificity of 90-95%. NICE recommends that patients with suspected rheumatoid arthritis who are RF negative should be tested for anti-CCP antibodies.

      In addition to antibody tests, x-rays of the hands and feet are also recommended for all patients with suspected rheumatoid arthritis. These x-rays can help detect joint damage and deformities, which are common in rheumatoid arthritis. Early detection and treatment of rheumatoid arthritis can help prevent further joint damage and improve overall quality of life for patients.

    • This question is part of the following fields:

      • Musculoskeletal
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  • Question 11 - A 38-year-old woman visits her GP complaining of difficulty with fine movements in...

    Incorrect

    • A 38-year-old woman visits her GP complaining of difficulty with fine movements in her hands. She reports that her hands become pale and numb when exposed to cold temperatures. Upon examination, the GP observes thickening and tightening of the skin over the patient's hands. What other symptom would indicate a possible diagnosis of limited systemic sclerosis?

      Your Answer: Dry eyes

      Correct Answer: Heartburn

      Explanation:

      CREST syndrome is a subtype of limited systemic sclerosis that includes calcinosis, Raynaud’s phenomenon, oesophageal dysmotility, sclerodactyly, and telangiectasia. If a patient experiences heartburn, it may indicate oesophageal dysmotility, which is a feature of CREST syndrome. However, dry eyes are a symptom of Sjogren’s syndrome, which is a separate condition. Hypertension is a complication of diffuse systemic sclerosis, which affects the proximal limbs and trunk and can lead to renal crisis and respiratory involvement. Oliguria is a symptom of renal crisis, which is a complication of diffuse systemic sclerosis.

      Understanding Systemic Sclerosis

      Systemic sclerosis is a condition that affects the skin and other connective tissues, but its cause is unknown. It is more common in females, with three patterns of the disease. Limited cutaneous systemic sclerosis is characterised by Raynaud’s as the first sign, affecting the face and distal limbs, and associated with anti-centromere antibodies. CREST syndrome is a subtype of limited systemic sclerosis that includes Calcinosis, Raynaud’s phenomenon, oEsophageal dysmotility, Sclerodactyly, and Telangiectasia. Diffuse cutaneous systemic sclerosis affects the trunk and proximal limbs, associated with scl-70 antibodies, and has a poor prognosis. Respiratory involvement is the most common cause of death, with interstitial lung disease and pulmonary arterial hypertension being the primary complications. Renal disease and hypertension are also possible complications, and patients with renal disease should be started on an ACE inhibitor. Scleroderma without internal organ involvement is characterised by tightening and fibrosis of the skin, manifesting as plaques or linear. Antibodies such as ANA, RF, anti-scl-70, and anti-centromere are associated with different types of systemic sclerosis.

    • This question is part of the following fields:

      • Musculoskeletal
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  • Question 12 - As a rheumatology clinic doctor, you are reviewing a 75-year-old woman who has...

    Incorrect

    • As a rheumatology clinic doctor, you are reviewing a 75-year-old woman who has recently been diagnosed with osteoporosis. Following the FRAX/NOGG guidance and the results of her DEXA scan, you have prescribed alendronic acid as part of her treatment plan. During your counseling session, she asks why she cannot take this medication like her other medications after breakfast. What is the potential risk if she does not take the medication as instructed?

      Your Answer: Osteonecrosis of the jaw

      Correct Answer: Oesophageal reaction

      Explanation:

      When taking oral bisphosphonates, it is important to swallow them with plenty of water while sitting or standing on an empty stomach at least 30 minutes before breakfast or any other oral medication. After taking the medication, the patient should remain upright for at least 30 minutes. Effective counseling on administration is necessary as oral bisphosphonates can cause oesophageal retention and increase the risk of esophagitis. Oesophageal disorders and an unsafe swallow are contraindications for oral bisphosphonate therapy. Acute phase response may occur as a reaction to the bisphosphonate therapy itself, not the route of administration. Long-term bisphosphonate therapy is associated with atypical stress fractures, but this risk is not affected by the route of administration. Hypocalcaemia may occur with long-term bisphosphonate therapy, but it is not associated with the route of administration.

      Bisphosphonates: Uses and Adverse Effects

      Bisphosphonates are drugs that mimic the action of pyrophosphate, a molecule that helps prevent bone demineralization. They work by inhibiting osteoclasts, which are cells that break down bone tissue. This reduces the risk of bone fractures and can be used to treat conditions such as osteoporosis, hypercalcemia, Paget’s disease, and pain from bone metastases.

      However, bisphosphonates can have adverse effects, including oesophageal reactions such as oesophagitis and ulcers, osteonecrosis of the jaw, and an increased risk of atypical stress fractures of the proximal femoral shaft in patients taking alendronate. Patients may also experience an acute phase response, which can cause fever, myalgia, and arthralgia. Hypocalcemia, or low calcium levels, can also occur due to reduced calcium efflux from bone, but this is usually not clinically significant.

      To minimize the risk of adverse effects, patients taking oral bisphosphonates should swallow the tablets whole with plenty of water while sitting or standing. They should take the medication on an empty stomach at least 30 minutes before breakfast or other oral medications and remain upright for at least 30 minutes after taking the tablet. Hypocalcemia and vitamin D deficiency should be corrected before starting bisphosphonate treatment, and calcium supplements should only be prescribed if dietary intake is inadequate. The duration of bisphosphonate treatment varies depending on the patient’s level of risk, and some authorities recommend stopping treatment after five years for low-risk patients with a femoral neck T-score of > -2.5.

    • This question is part of the following fields:

      • Musculoskeletal
      28.7
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  • Question 13 - An 80-year-old man presents to his GP with difficulty extending his ring and...

    Incorrect

    • An 80-year-old man presents to his GP with difficulty extending his ring and little finger on his left hand. Upon examination, the GP notes thickening of the palm and limited extension of the metacarpophalangeal joints, leading to a diagnosis of Dupuytren's contracture. The patient has a medical history of psoriasis, epilepsy, heart failure, and type 2 diabetes mellitus. Which medication prescribed to the patient is most commonly linked to the development of this condition?

      Your Answer: Methotrexate

      Correct Answer: Phenytoin

      Explanation:

      Phenytoin treatment may lead to the development of Dupuytren’s contracture as a potential adverse effect.

      Understanding Dupuytren’s Contracture

      Dupuytren’s contracture is a condition that affects about 5% of the population. It is more common in older men and those with a family history of the condition. The causes of Dupuytren’s contracture include manual labor, phenytoin treatment, alcoholic liver disease, diabetes mellitus, and trauma to the hand.

      The condition typically affects the ring finger and little finger, causing them to become bent and difficult to straighten. In severe cases, the hand may not be able to be placed flat on a table.

      Surgical treatment may be necessary when the metacarpophalangeal joints cannot be straightened.

    • This question is part of the following fields:

      • Musculoskeletal
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  • Question 14 - A 30-year-old woman attends a routine cervical smear test and is noted to...

    Correct

    • A 30-year-old woman attends a routine cervical smear test and is noted to have extensive scarring of her vulva. On further questioning, she reports several visits to the Sexual Health Clinic for recurrent episodes of painful vulval ulceration.
      She has had several attendances at the dentist and General Practitioner with recurrent painful mouth ulcers. She has been referred to a dermatologist to investigate a painful nodular rash which developed on her shins several weeks ago but has since resolved. She was recently discharged from the Eye Clinic following treatment for an acutely painful red eye.
      Which of the following is the most likely diagnosis?
      Select ONE option only.

      Your Answer: Behçet’s disease

      Explanation:

      Behçet’s disease is a rare autoimmune condition that causes painful recurrent mouth and genital ulcers leading to scarring. Diagnosis is often delayed due to the absence of a definitive diagnostic test. This patient has had a rash associated with Behçet’s disease and an episode of acute red eye, which may have been anterior uveitis, another symptom of the condition. Herpes simplex infection, Crohn’s disease, coeliac disease, and lichen planus are all conditions that can cause similar symptoms but can be ruled out based on the patient’s medical history and physical examination.

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      • Musculoskeletal
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  • Question 15 - A 56-year-old woman presents with a four month history of right-sided hip pain....

    Correct

    • A 56-year-old woman presents with a four month history of right-sided hip pain. The pain has developed without any apparent cause and is mainly felt on the outer side of the hip. It is particularly severe at night when she lies on her right side. Upon examination, there is a complete range of motion in the hip joint, including internal and external rotation. However, deep palpation of the lateral aspect of the right hip joint reproduces the pain. An x-ray of the right hip reveals a normal appearance with only minor joint space narrowing. What is the most probable diagnosis?

      Your Answer: Greater trochanteric pain syndrome

      Explanation:

      Trochanteric bursitis is no longer the preferred term and has been replaced by greater trochanteric pain syndrome. The x-ray reveals joint space narrowing, which is a common occurrence. Osteoarthritis is unlikely due to the palpable pain and short duration of symptoms.

      Causes of Hip Pain in Adults

      Hip pain in adults can be caused by a variety of conditions. Osteoarthritis is a common cause, with pain that worsens with exercise and improves with rest. Reduced internal rotation is often the first sign, and risk factors include age, obesity, and previous joint problems. Inflammatory arthritis can also cause hip pain, with pain typically worse in the morning and accompanied by systemic features and raised inflammatory markers. Referred lumbar spine pain may be caused by femoral nerve compression, which can be tested with a positive femoral nerve stretch test. Greater trochanteric pain syndrome, or trochanteric bursitis, is caused by repeated movement of the iliotibial band and is most common in women aged 50-70 years. Meralgia paraesthetica is caused by compression of the lateral cutaneous nerve of the thigh and typically presents as a burning sensation over the antero-lateral aspect of the thigh. Avascular necrosis may have gradual or sudden onset and may follow high dose steroid therapy or previous hip fracture or dislocation. Pubic symphysis dysfunction is common in pregnancy and presents with pain over the pubic symphysis with radiation to the groins and medial aspects of the thighs, often with a waddling gait. Transient idiopathic osteoporosis is an uncommon condition sometimes seen in the third trimester of pregnancy, with groin pain and limited range of movement in the hip, and patients may be unable to weight bear. ESR may be elevated in this condition.

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      • Musculoskeletal
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  • Question 16 - A 32-year-old woman presents with back pain that shoots down her right leg,...

    Correct

    • A 32-year-old woman presents with back pain that shoots down her right leg, which she experienced suddenly while picking up her child. During examination, she can only raise her right leg to 30 degrees due to shooting pains down her leg. There is reduced sensation on the dorsum of her right foot, especially around the big toe, and weak foot dorsiflexion. The ankle and knee reflexes seem intact, and a diagnosis of disc prolapse is suspected. Which nerve root is most likely affected?

      Your Answer: L5

      Explanation:

      The characteristics of a L5 lesion include the absence of dorsiflexion in the foot and a lack of sensation on the top of the foot.

      Understanding Prolapsed Disc and its Features

      A prolapsed lumbar disc is a common cause of lower back pain that can lead to neurological deficits. It is characterized by clear dermatomal leg pain, which is usually worse than the back pain. The pain is often aggravated when sitting. The features of the prolapsed disc depend on the site of compression. For instance, L3 nerve root compression can cause sensory loss over the anterior thigh, weak quadriceps, reduced knee reflex, and a positive femoral stretch test. On the other hand, L4 nerve root compression can lead to sensory loss in the anterior aspect of the knee, weak quadriceps, reduced knee reflex, and a positive femoral stretch test.

      The management of prolapsed disc is similar to that of other musculoskeletal lower back pain. It involves analgesia, physiotherapy, and exercises. According to NICE, the first-line treatment for back pain without sciatica symptoms is NSAIDs +/- proton pump inhibitors, rather than neuropathic analgesia. If the symptoms persist after 4-6 weeks, referral for consideration of MRI is appropriate. Understanding the features of prolapsed disc can help in the diagnosis and management of this condition.

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      • Musculoskeletal
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  • Question 17 - A 60-year-old man is discovered to have hypocalcaemia during routine blood tests for...

    Incorrect

    • A 60-year-old man is discovered to have hypocalcaemia during routine blood tests for his chronic kidney disease. He has a medical history of polycystic kidney disease, and it is anticipated that the low calcium result is a complication of this. What abnormalities would you anticipate in his other laboratory values?

      Your Answer: ↓ serum phosphate, ↑ ALP and ↑ PTH

      Correct Answer: ↑ serum phosphate, ↑ ALP and ↑ PTH

      Explanation:

      Chronic kidney disease can lead to secondary hyperparathyroidism, which is characterized by low serum calcium, high serum phosphate, high ALP, and high PTH levels. The kidneys are unable to activate vitamin D and excrete phosphate, resulting in calcium being used up in calcium phosphate. This leads to hypocalcemia, which triggers an increase in PTH levels to try and raise calcium levels. PTH stimulates osteoclast activity, causing a rise in ALP found in bone. Normal serum phosphate, normal ALP, and normal PTH levels are associated with osteoporosis or osteopetrosis, but in this case, the patient’s hypocalcemia and chronic kidney disease suggest other abnormal results. High serum phosphate, normal ALP, and low PTH levels are found in hypoparathyroidism, which is not consistent with chronic kidney disease. Low serum phosphate, normal ALP, and normal PTH levels suggest an isolated phosphate deficiency, which is also not consistent with the patient’s clinical picture.

      Lab Values for Bone Disorders

      When it comes to bone disorders, certain lab values can provide important information for diagnosis and treatment. In cases of osteoporosis, calcium, phosphate, alkaline phosphatase (ALP), and parathyroid hormone (PTH) levels are typically within normal ranges. However, in osteomalacia, there is a decrease in calcium and phosphate levels, an increase in ALP levels, and an increase in PTH levels.

      Primary hyperparathyroidism, which can lead to osteitis fibrosa cystica, is characterized by increased calcium and PTH levels, but decreased phosphate levels. Chronic kidney disease can also lead to secondary hyperparathyroidism, with decreased calcium levels and increased phosphate and PTH levels.

      Paget’s disease, which causes abnormal bone growth, typically shows normal calcium and phosphate levels, but an increase in ALP levels. Osteopetrosis, a rare genetic disorder that causes bones to become dense and brittle, typically shows normal lab values for calcium, phosphate, ALP, and PTH.

      Overall, understanding these lab values can help healthcare professionals diagnose and treat various bone disorders.

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  • Question 18 - You assess a 23-year-old man who has recently been released from the local...

    Correct

    • You assess a 23-year-old man who has recently been released from the local hospital after having a pneumothorax drained. This is his second admission in two years for the same issue. Upon examination today, his chest is clear with good air entry in all fields. However, you observe that he has pectus excavatum. He is 1.83m tall and weighs 72 kg. The only other relevant medical history is joint hypermobility, for which he was referred to a physiotherapist last year. What is the most probable underlying diagnosis?

      Your Answer: Marfan's syndrome

      Explanation:

      The presence of recurrent pneumothoraces and joint hypermobility suggests the possibility of Marfan’s syndrome.

      Understanding Marfan’s Syndrome

      Marfan’s syndrome is a genetic disorder that affects the connective tissue in the body. It is caused by a defect in the FBN1 gene on chromosome 15, which codes for the protein fibrillin-1. This disorder is inherited in an autosomal dominant pattern, meaning that a person only needs to inherit one copy of the defective gene from one parent to develop the condition. Marfan’s syndrome affects approximately 1 in 3,000 people.

      The features of Marfan’s syndrome include a tall stature with an arm span to height ratio greater than 1.05, a high-arched palate, arachnodactyly (long, slender fingers), pectus excavatum (sunken chest), pes planus (flat feet), and scoliosis (curvature of the spine). In addition, individuals with Marfan’s syndrome may experience cardiovascular problems such as dilation of the aortic sinuses, mitral valve prolapse, and aortic aneurysm. They may also have lung issues such as repeated pneumothoraces. Eye problems are also common, including upwards lens dislocation, blue sclera, and myopia. Finally, dural ectasia, or ballooning of the dural sac at the lumbosacral level, may also occur.

      In the past, the life expectancy of individuals with Marfan’s syndrome was around 40-50 years. However, with regular echocardiography monitoring and the use of beta-blockers and ACE inhibitors, this has improved significantly in recent years. Despite these improvements, aortic dissection and other cardiovascular problems remain the leading cause of death in individuals with Marfan’s syndrome.

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  • Question 19 - A 48-year-old man suffers an Achilles tendon rupture while playing basketball. He has...

    Incorrect

    • A 48-year-old man suffers an Achilles tendon rupture while playing basketball. He has never had any medical issues related to his muscles or bones. He recently began taking antibiotics for an infection and has been on them for the past week. What type of antibiotic is he likely taking?

      Your Answer: Clarithromycin

      Correct Answer: Ciprofloxacin

      Explanation:

      New-onset Achilles tendon disorders, including tendinitis and tendon rupture, are likely caused by ciprofloxacin, a medication with important side effects to consider.

      Achilles tendon disorders are a common cause of pain in the back of the heel. These disorders can include tendinopathy, partial tears, and complete ruptures of the Achilles tendon. Certain factors, such as the use of quinolone antibiotics and high cholesterol levels, can increase the risk of developing these disorders. Symptoms of Achilles tendinopathy typically include gradual onset of pain that worsens with activity, as well as morning stiffness. Treatment for this condition usually involves pain relief, reducing activities that exacerbate the pain, and performing calf muscle eccentric exercises.

      In contrast, an Achilles tendon rupture is a more serious condition that requires immediate medical attention. This type of injury is often caused by sudden, forceful movements during sports or running. Symptoms of an Achilles tendon rupture include an audible popping sound, sudden and severe pain in the calf or ankle, and an inability to walk or continue the activity. To help diagnose an Achilles tendon rupture, doctors may use Simmond’s triad, which involves examining the foot for abnormal angles and feeling for a gap in the tendon. Ultrasound is typically the first imaging test used to confirm a diagnosis of Achilles tendon rupture. If a rupture is suspected, it is important to seek medical attention from an orthopaedic specialist as soon as possible.

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  • Question 20 - A 75-year-old male is brought to the emergency department after slipping on ice....

    Correct

    • A 75-year-old male is brought to the emergency department after slipping on ice. He has a painful left leg that appears shortened and externally rotated. There are no visible skin breaks and no peripheral neurovascular compromise. An x-ray reveals a stable, complete, intertrochanteric proximal femur fracture. The patient has no medical history and takes no regular medications. He is given pain relief and referred to the orthopaedic team. What is the recommended procedure for his condition?

      Your Answer: Dynamic hip screw

      Explanation:

      The optimal surgical management for an extracapsular proximal femoral fracture is a dynamic hip screw. This is the recommended approach for patients who are fit and have no comorbidities that would prevent them from undergoing surgery. Conservative management is not appropriate as it would lead to a reduced quality of life and is only considered for patients who cannot undergo surgery.

      Intramedullary nails with external fixation are used for lower extremity long bone fractures, such as femur or tibia fractures. This involves inserting a nail into the bone alongside external fixation screws that are attached to a device outside the skin to provide additional support and realign the bone if necessary. External fixation is temporary and will be removed once the bone has healed sufficiently.

      Hemiarthroplasty, which involves replacing the femoral head and neck, is typically used for displaced fractures and is less complicated than a total hip replacement (THR). It is suitable for less active patients who want to return to normal activities of daily living. However, THR is becoming more popular for active patients with displaced femoral neck fractures and pre-existing hip osteoarthritis. As this patient does not have a displaced fracture, THR is not necessary.

      Hip fractures are a common occurrence, particularly in elderly women with osteoporosis. The femoral head’s blood supply runs up the neck, making avascular necrosis a potential risk in displaced fractures. Symptoms of a hip fracture include pain and a shortened and externally rotated leg. Patients with non-displaced or incomplete neck of femur fractures may still be able to bear weight. Hip fractures can be classified as intracapsular or extracapsular, with the Garden system being a commonly used classification system. Blood supply disruption is most common in Types III and IV fractures.

      Intracapsular hip fractures can be treated with internal fixation or hemiarthroplasty if the patient is unfit. Displaced fractures are recommended for replacement arthroplasty, such as total hip replacement or hemiarthroplasty, according to NICE guidelines. Total hip replacement is preferred over hemiarthroplasty if the patient was able to walk independently outdoors with the use of a stick, is not cognitively impaired, and is medically fit for anesthesia and the procedure. Extracapsular hip fractures can be managed with a dynamic hip screw for stable intertrochanteric fractures or an intramedullary device for reverse oblique, transverse, or subtrochanteric fractures.

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  • Question 21 - A 39-year-old woman experiences lower back pain that travels down her left leg...

    Incorrect

    • A 39-year-old woman experiences lower back pain that travels down her left leg while doing DIY work. She reports a severe, sharp, stabbing pain that worsens with movement. During clinical examination, a positive straight leg raise test is observed on the left side. The patient is given appropriate pain relief. What is the most appropriate next step in management?

      Your Answer: Lumbar spine x-ray

      Correct Answer: Arrange physiotherapy

      Explanation:

      A prolapsed disc is suspected based on the patient’s symptoms. However, even if an MRI scan confirms this diagnosis, the initial management would remain the same as most patients respond well to conservative treatment like physiotherapy.

      Understanding Prolapsed Disc and its Features

      A prolapsed lumbar disc is a common cause of lower back pain that can lead to neurological deficits. It is characterized by clear dermatomal leg pain, which is usually worse than the back pain. The pain is often aggravated when sitting. The features of the prolapsed disc depend on the site of compression. For instance, L3 nerve root compression can cause sensory loss over the anterior thigh, weak quadriceps, reduced knee reflex, and a positive femoral stretch test. On the other hand, L4 nerve root compression can lead to sensory loss in the anterior aspect of the knee, weak quadriceps, reduced knee reflex, and a positive femoral stretch test.

      The management of prolapsed disc is similar to that of other musculoskeletal lower back pain. It involves analgesia, physiotherapy, and exercises. According to NICE, the first-line treatment for back pain without sciatica symptoms is NSAIDs +/- proton pump inhibitors, rather than neuropathic analgesia. If the symptoms persist after 4-6 weeks, referral for consideration of MRI is appropriate. Understanding the features of prolapsed disc can help in the diagnosis and management of this condition.

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  • Question 22 - A 60-year-old woman complains of persistent bilateral shoulder and hip pain that has...

    Incorrect

    • A 60-year-old woman complains of persistent bilateral shoulder and hip pain that has been bothering her for 4 weeks. The pain is more severe in the mornings, and she has been experiencing fatigue along with it. Her blood tests reveal an ESR of 55 mm/hr. What is the most suitable treatment option for her probable diagnosis?

      Your Answer: Sulfasalazine

      Correct Answer: Prednisolone

      Explanation:

      The patient is exhibiting typical signs of polymyalgia rheumatica, which can be effectively treated with steroids. While ibuprofen and codeine may offer some relief, hydroxychloroquine is primarily used to treat systemic lupus erythematosus, and sulfasalazine is a DMARD used for rheumatoid arthritis and psoriasis.

      Polymyalgia Rheumatica: A Condition of Muscle Stiffness in Older People

      Polymyalgia rheumatica (PMR) is a common condition that affects older people. It is characterized by muscle stiffness and elevated inflammatory markers. Although it is closely related to temporal arteritis, the underlying cause is not fully understood, and it does not appear to be a vasculitic process. PMR typically affects patients over the age of 60 and has a rapid onset, usually within a month. Patients experience aching and morning stiffness in proximal limb muscles, along with mild polyarthralgia, lethargy, depression, low-grade fever, anorexia, and night sweats.

      To diagnose PMR, doctors look for raised inflammatory markers, such as an ESR of over 40 mm/hr. Creatine kinase and EMG are normal. Treatment for PMR involves prednisolone, usually at a dose of 15mg/od. Patients typically respond dramatically to steroids, and failure to do so should prompt consideration of an alternative diagnosis.

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  • Question 23 - You are a GP trainee on attachment in the emergency department. You review...

    Incorrect

    • You are a GP trainee on attachment in the emergency department. You review a 15-year-old male with a large forearm wound as a result of deliberate self harm. The wound is 6 cm long and appears to involve the tendon sheath. The patient has scars from previous wounds across both forearms.

      Which of the following features would require a referral to plastic surgery?

      Your Answer: Age under 18

      Correct Answer: Involvement of tendon sheath

      Explanation:

      If there is a possibility of tendon sheath involvement in forearm wounds, it is recommended to seek the expertise of plastic surgery for potential surgical exploration. Failure to do so may result in tendon rupture.

      The forearm flexor muscles include the flexor carpi radialis, palmaris longus, flexor carpi ulnaris, flexor digitorum superficialis, and flexor digitorum profundus. They originate from the common flexor origin and surrounding fascia, and are innervated by the median and ulnar nerves. Their actions include flexion and abduction of the carpus, wrist flexion, and flexion of the metacarpophalangeal and interphalangeal joints.

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      • Musculoskeletal
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  • Question 24 - You are asked to evaluate a 60-year-old man who has been experiencing increasing...

    Incorrect

    • You are asked to evaluate a 60-year-old man who has been experiencing increasing dryness in his eyes and mouth for several years but has not sought medical attention for it. He has a medical history of osteoarthritis and rheumatoid arthritis, as well as ongoing arthralgia in his large joints. At the age of 42, he underwent an ileocaecal resection due to Crohn's disease. Which of his risk factors is most closely linked to Sjogren's syndrome?

      Your Answer: Inflammatory bowel disease.

      Correct Answer: Rheumatoid arthritis

      Explanation:

      Rheumatoid arthritis cases are often accompanied by Sjogren’s syndrome, which primarily affects women aged 40 to 60. This condition is characterized by arthralgia and sicca symptoms such as dry mouth and dry eyes. Other connective tissue disorders, as well as SLE, are also linked to Sjogren’s syndrome.

      Understanding Sjogren’s Syndrome

      Sjogren’s syndrome is a medical condition that affects the exocrine glands, leading to dry mucosal surfaces. It is an autoimmune disorder that can either be primary or secondary to other connective tissue disorders, such as rheumatoid arthritis. The onset of the condition usually occurs around ten years after the initial onset of the primary disease. Sjogren’s syndrome is more common in females, with a ratio of 9:1. Patients with this condition have a higher risk of developing lymphoid malignancy, which is 40-60 times more likely.

      The symptoms of Sjogren’s syndrome include dry eyes, dry mouth, vaginal dryness, arthralgia, Raynaud’s, myalgia, sensory polyneuropathy, recurrent episodes of parotitis, and subclinical renal tubular acidosis. To diagnose the condition, doctors may perform a Schirmer’s test to measure tear formation, check for hypergammaglobulinaemia, and low C4. Nearly 50% of patients with Sjogren’s syndrome test positive for rheumatoid factor, while 70% test positive for ANA. Additionally, 70% of patients with primary Sjogren’s syndrome have anti-Ro (SSA) antibodies, and 30% have anti-La (SSB) antibodies.

      The management of Sjogren’s syndrome involves the use of artificial saliva and tears to alleviate dryness. Pilocarpine may also be used to stimulate saliva production. Understanding the symptoms and management of Sjogren’s syndrome is crucial for patients and healthcare providers to ensure proper treatment and care.

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  • Question 25 - A 65-year-old female presents to her GP with a 4-week history of bilateral...

    Correct

    • A 65-year-old female presents to her GP with a 4-week history of bilateral shoulder pain. She also experiences stiffness in her shoulders in the morning which improves throughout the day. She reports feeling generally fatigued. No other joints are affected. The patient has a history of osteoarthritis in her left knee.

      During examination, the patient's observations are normal. There is no swelling or redness in the shoulders, and she has a full range of motion bilaterally. Upper limb power is 5/5 bilaterally with normal sensation.

      Based on the patient's history and examination, what is the most likely diagnosis?

      Your Answer: Polymyalgia rheumatica

      Explanation:

      The patient’s symptoms are suggestive of polymyalgia rheumatica (PMR), which is a common inflammatory condition in older adults. The sudden onset of pain and stiffness in the shoulders and hips, along with systemic symptoms such as fatigue and anorexia, are typical of PMR. Osteoarthritis, fibromyalgia, hypothyroidism, and adhesive capsulitis are less likely diagnoses, as they do not typically present with acute onset of symptoms or systemic involvement. However, it is important to rule out hypothyroidism by checking thyroid function. Frozen shoulder may cause shoulder pain and stiffness, but it is usually associated with restricted range of motion and does not typically cause systemic symptoms.

      Polymyalgia Rheumatica: A Condition of Muscle Stiffness in Older People

      Polymyalgia rheumatica (PMR) is a common condition that affects older people. It is characterized by muscle stiffness and elevated inflammatory markers. Although it is closely related to temporal arteritis, the underlying cause is not fully understood, and it does not appear to be a vasculitic process. PMR typically affects patients over the age of 60 and has a rapid onset, usually within a month. Patients experience aching and morning stiffness in proximal limb muscles, along with mild polyarthralgia, lethargy, depression, low-grade fever, anorexia, and night sweats.

      To diagnose PMR, doctors look for raised inflammatory markers, such as an ESR of over 40 mm/hr. Creatine kinase and EMG are normal. Treatment for PMR involves prednisolone, usually at a dose of 15mg/od. Patients typically respond dramatically to steroids, and failure to do so should prompt consideration of an alternative diagnosis.

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      • Musculoskeletal
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  • Question 26 - A 68-year-old man comes to your clinic accompanied by his daughter. He reports...

    Correct

    • A 68-year-old man comes to your clinic accompanied by his daughter. He reports having painless swelling in his fingers that has been persistent. When inquiring about his medical history, he denies any issues except for a nagging cough. During the examination of his hands, you observe an increased curvature of the nails and a loss of the angle between the nail and nail bed. Considering the potential diagnoses, what would be the most crucial step to take?

      Your Answer: Urgent chest X-ray

      Explanation:

      According to NICE guidelines for suspected lung cancers, individuals over the age of 40 with finger clubbing should undergo a chest X-ray. Given that this patient is 70 years old and has a persistent cough and finger clubbing, an urgent chest X-ray is necessary to investigate the possibility of lung cancer or mesothelioma. Pain relief medication such as oral analgesia or ibuprofen gel is not necessary as the patient is not experiencing any pain, which would be indicative of osteoarthritis. Reassurance is not appropriate in this case as finger clubbing in individuals over the age of 40 requires immediate investigation.

      Referral Guidelines for Lung Cancer

      Lung cancer is a serious condition that requires prompt diagnosis and treatment. The 2015 NICE cancer referral guidelines provide clear advice on when to refer patients for further assessment. According to these guidelines, patients should be referred using a suspected cancer pathway referral if they have chest x-ray findings that suggest lung cancer or if they are aged 40 and over with unexplained haemoptysis.

      For patients aged 40 and over who have two or more unexplained symptoms, or who have ever smoked and have one or more unexplained symptoms, an urgent chest x-ray should be offered within two weeks to assess for lung cancer. These symptoms include cough, fatigue, shortness of breath, chest pain, weight loss, and appetite loss.

      In addition, an urgent chest x-ray should be considered within two weeks for patients aged 40 and over who have persistent or recurrent chest infection, finger clubbing, supraclavicular lymphadenopathy or persistent cervical lymphadenopathy, chest signs consistent with lung cancer, or thrombocytosis.

      Overall, these guidelines provide clear and specific criteria for when to refer patients for further assessment for lung cancer. By following these guidelines, healthcare professionals can ensure that patients receive timely and appropriate care.

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  • Question 27 - A 25-year-old man who is typically healthy presents with joint pain and swelling...

    Incorrect

    • A 25-year-old man who is typically healthy presents with joint pain and swelling that has been ongoing for 2 weeks. During the examination, you observe a rash on his nose and detect 2+ protein in his urine upon dipping. What is the probable diagnosis?

      Your Answer: Dermatomyositis

      Correct Answer: Systemic Lupus Erythematosus

      Explanation:

      The symptoms exhibited by this individual are indicative of Systemic Lupus Erythematosus (SLE), as evidenced by the presence of the butterfly rash, joint pain, and proteinuria. In SLE, the impaired kidney function is responsible for the proteinuria. It is worth noting that SLE is more prevalent in females, with a ratio of 9:1 compared to males.

      Understanding Systemic Lupus Erythematosus

      Systemic lupus erythematosus (SLE) is an autoimmune disorder that affects multiple systems in the body. It is more common in women and people of Afro-Caribbean origin, and typically presents in early adulthood. The general features of SLE include fatigue, fever, mouth ulcers, and lymphadenopathy.

      SLE can also affect the skin, causing a malar (butterfly) rash that spares the nasolabial folds, discoid rash in sun-exposed areas, photosensitivity, Raynaud’s phenomenon, livedo reticularis, and non-scarring alopecia. Musculoskeletal symptoms include arthralgia and non-erosive arthritis.

      Cardiovascular manifestations of SLE include pericarditis and myocarditis, while respiratory symptoms may include pleurisy and fibrosing alveolitis. Renal involvement can lead to proteinuria and glomerulonephritis, with diffuse proliferative glomerulonephritis being the most common type.

      Finally, neuropsychiatric symptoms of SLE may include anxiety and depression, as well as more severe manifestations such as psychosis and seizures. Understanding the various features of SLE is important for early diagnosis and management of this complex autoimmune disorder.

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  • Question 28 - A 26-year-old construction worker visits his GP complaining of elbow swelling that has...

    Correct

    • A 26-year-old construction worker visits his GP complaining of elbow swelling that has been present for three weeks. He reports that it started gradually and has no known triggers. The area is painful and warm to the touch, but he has no swelling in other parts of his body and feels generally well. The patient has a history of well-managed rheumatoid arthritis and is taking methotrexate, and has no other medical conditions. During the examination, the doctor detects a tender, soft, fluctuant mass on the back of the patient's elbow. Based on these findings, what is the most probable diagnosis?

      Your Answer: Olecranon bursitis

      Explanation:

      Olecranon bursitis is a condition that occurs when the olecranon bursa, a fluid-filled sac located over the olecranon process at the proximal end of the ulna, becomes inflamed. This bursa serves to reduce friction between the elbow joint and the surrounding soft tissues. Inflammation can be caused by trauma, infection, or systemic conditions such as rheumatoid arthritis or gout. It is also commonly known as student’s elbow due to the repetitive mild trauma of leaning on a desk using the elbows. The condition can be categorized as septic or non-septic depending on whether an infection is present.

      The condition is more common in men and typically presents between the ages of 30 and 60. Causes of olecranon bursitis include repetitive trauma, direct trauma, infection, gout, rheumatoid arthritis, and idiopathic reasons. Patients with non-septic olecranon bursitis typically present with swelling over the olecranon process, while some may also experience tenderness and erythema over the bursa. Patients with septic bursitis are more likely to have pain and fever.

      Signs of olecranon bursitis include swelling over the posterior aspect of the elbow, tenderness on palpation of the swollen area, redness and warmth of the overlying skin, fever, skin abrasion overlying the bursa, effusions in other joints if associated with rheumatoid arthritis, and tophi if associated with gout. Movement at the elbow joint should be painless until the swollen bursa is compressed in full flexion.

      Investigations are not always needed if a clinical diagnosis can be made and there is no concern about septic arthritis. However, if septic bursitis is suspected, aspiration of bursal fluid for microscopy and culture is essential. Purulent fluid suggests infection, while straw-colored bursal fluid favors a non-infective cause.

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  • Question 29 - A 62-year-old woman presents to her General Practitioner with a history of worsening...

    Incorrect

    • A 62-year-old woman presents to her General Practitioner with a history of worsening painless muscle weakness of six months’ duration. She reports difficulty rising from a chair, climbing stairs, and combing her hair. On examination, mild tenderness is noted in her upper arms and thighs. Her thyroid function tests, full blood count, and glycosylated haemoglobin are normal. Serum antinuclear antibodies (ANAs) and rheumatoid factor (RF) are positive, and her creatine kinase (CK) is markedly raised. What is the most likely diagnosis?

      Your Answer: Polymyalgia rheumatica

      Correct Answer: Polymyositis

      Explanation:

      Autoimmune Conditions: Differentiating Polymyositis from Other Disorders

      Polymyositis is an inflammatory myopathy that causes gradual, symmetrical proximal muscle weakness, which is rarely painful. However, other autoimmune conditions can present with similar symptoms, making it important to differentiate between them. Here are some key differences:

      Systemic sclerosis: This condition causes abnormal growth of connective tissue, leading to vascular damage and fibrosis. Proximal muscle weakness is not a feature of systemic sclerosis, but patients may experience calcinosis, Raynaud’s phenomenon, oesophageal dysmotility, sclerodactyly, and telangiectasia.

      Polymyalgia rheumatica: This inflammatory condition causes bilateral pain and stiffness of proximal muscles, particularly the shoulders and pelvic girdle. However, painless proximal muscle weakness is not typical of polymyalgia rheumatica, and positive RF or ANA are not seen in this condition.

      Sjögren syndrome: This autoimmune condition is characterized by lymphocytic infiltration of exocrine glands, leading to dry eyes and dry mouth. While ANAs and RF may be positive in this condition, proximal myopathy is not a feature.

      Systemic lupus erythematosus (SLE): This multi-system autoimmune condition usually presents in women of childbearing age with remitting and relapsing symptoms. While ANA antibodies are often positive in SLE, CK is not usually raised, and painless proximal muscle weakness is not typical. The presence of anti-double-stranded deoxyribonucleic acid antibodies or low complement levels are more specific markers of SLE.

      In summary, while these autoimmune conditions may share some symptoms, careful evaluation can help differentiate between them and lead to appropriate treatment.

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  • Question 30 - A 25-year-old man presents to the emergency department with ankle pain following a...

    Incorrect

    • A 25-year-old man presents to the emergency department with ankle pain following a football injury. He is able to bear weight, experiences pain below his lateral malleolus, and has no tenderness in the bone. What is the most suitable course of action?

      Your Answer: Request an ankle radiograph

      Correct Answer: Give analgesia and review in 1 hour before discharge with advice

      Explanation:

      Understanding the Ottawa Ankle Rules: Managing Foot and Ankle Injuries

      Foot and ankle injuries are common, but it can be difficult to determine whether a patient has sustained a sprain or a fracture. The Ottawa ankle rules are a set of guidelines that can help clinicians decide whether a patient with foot or ankle pain requires radiographs to diagnose a possible fracture. By following these rules, unnecessary radiographs can be reduced by 25%.

      When managing foot and ankle injuries, it is important to understand the Ottawa ankle rules and how they apply to each patient. If a patient does not meet the criteria for an ankle radiograph, simple analgesia and advice on managing a soft tissue injury may be sufficient. However, if a patient does meet the criteria, a radiograph may be necessary to diagnose a possible fracture.

      By understanding and applying the Ottawa ankle rules, clinicians can provide appropriate and effective management for foot and ankle injuries.

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SESSION STATS - PERFORMANCE PER SPECIALTY

Musculoskeletal (16/30) 53%
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