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Question 1
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A 45-year-old woman presents to a dual-diagnosis outpatient clinic for psychiatric evaluation. She reports an increase in her alcohol consumption over the past week due to frustration with her colleagues and partner. Over the past two weeks, she has been more productive at work, leading to conflicts with her colleagues whom she accuses of holding her back. She frequently argues with her partner, who accuses her of being too friendly with male colleagues. She has experienced similar episodes in the past, lasting about a month and occurring twice a year. During these times, she drinks more alcohol than usual as she finds it difficult to relax and fall asleep in the evenings. She is concerned that her alcohol consumption could have negative health consequences if this pattern continues. What is the most likely diagnosis?
Your Answer: Type II bipolar affective disorder
Explanation:The patient is experiencing a hypomanic episode, which is characterized by increased concentration, productivity, over-familiarity, possible increased sexual drive, and poor sleep. Her alcohol use is likely a result of her mood disturbance. Although she has shown increased irritability and alcohol consumption, she has been able to maintain her employment and there is no evidence of psychosis. Based on these symptoms, the patient can be diagnosed with hypomania, rather than cyclothymia of depressive disorder. It is common for individuals with bipolar affective disorder to have comorbid substance misuse. However, the patient’s alcohol use appears to be secondary to her disrupted sleep and other signs of mood disturbance, rather than harmful alcohol use disorder. It is important to note that the patient does not meet the criteria for type I bipolar disorder, as she has not experienced episodes of mania of severe disruption to social functioning.
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- Diagnosis
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Question 2
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A teenage girl refuses to attend social events with her peers due to her fear of having bad breath, even though others have told her she does not have it. She insists on staying home alone. What is the probable diagnosis?
Your Answer: Taijin-jikoshu-kyofu
Explanation:Culture-bound syndromes are conditions that are specific to certain cultures and are often accompanied by culturally accepted beliefs and practices for treatment. These syndromes may not fit into the diagnostic criteria of Western medicine and are often unique to certain regions of ethnic groups. Examples of culture-bound syndromes include Taijin-jikoshu-kyofu in Japan, Piblokto in the Arctic, Koro in Malaysia, Locura among Latinos in the United States and Latin America, and Susto among Latinos in the United States and in Mexico, Central America, and South America. These syndromes are often associated with social and cultural factors and may require culturally sensitive approaches to treatment.
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- Diagnosis
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Question 3
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In your clinic, a 25-year-old female patient presents with a frequent history of wrist cutting. Upon evaluation, you determine that she has a personality disorder. What specific type of personality disorder is the most probable diagnosis?
Your Answer: Borderline personality disorder
Explanation:Anankastic personality disorder is a personality disorder characterized by a preoccupation with orderliness, perfectionism, and control. It falls under cluster C personality disorders according to DSM-IV classification.
Deliberate self-harm is commonly associated with cluster B personality disorders. In the United Kingdom, poisoning by drugs accounts for 90% of deliberate self-harm cases, while wrist cutting accounts for 6-7%, and all other methods combined account for 3-4%. Frequent wrist cutting can be a part of recurrent suicidal gestures seen in individuals with depressive disorder, schizophrenia, and borderline personality disorder.
The reasons for wrist cutting are varied and complex, including a means of punishment oneself, reducing tension, feeling bodily instead of emotional pain, wishing to die, testing the benevolence of fate, seeking an interruption to an unendurable state of tension, crying for help, communicating with others, and unbearable symptoms.
Borderline personality disorder (BPD) is characterized by impulsive acts, mood instability, and chaotic relationships. Individuals with BPD are impulsive in areas that have a potential for self-harm and exhibit recurrent suicidal gestures such as wrist cutting, overdose, of self-mutilation.
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- Diagnosis
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Question 4
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A 45-year-old male alcoholic presents to the Emergency department with symptoms of ataxia, abnormal eye movements, confusion, and signs of dehydration. He also has a low blood sugar level. What is the initial treatment that should be given to this patient?
Your Answer: 10% Dextrose, then thiamine IV
Correct Answer: Thiamine IV, IV replacement of other vitamins, then both orally thereafter
Explanation:Wernicke’s encephalopathy is a medical emergency that requires immediate replacement of thiamine. The preferred route of administration is intravenous (IV). It is important to note that correcting hypoglycemia should not be attempted before thiamine replenishment, as a large dose of sugar, especially glucose, can worsen the encephalopathy. Rehydration to restore blood volume should follow as needed.
In the UK, Pabrinex is the usual treatment for thiamine replacement, which also contains vitamins B2, B3, B6, and C. Parenteral treatment is given for at least 5 days. The prognosis depends on the severity of the condition. Early treatment leads to rapid and complete recovery. However, established Wernicke’s encephalopathy can have serious long-term consequences, and patients may require permanent inpatient care.
Source: https://www.nice.org.uk/guidance/cg100/chapter/Recommendations#wernickes-encephalopathy
https://academic.oup.com/alcalc/article/48/4/514/533760 -
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- Diagnosis
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Question 5
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What is the probable diagnosis for an adult physicist who avoids teaching and publishing, is known for walking barefoot and dressing casually, and prefers solitude over socializing with colleagues and students?
Your Answer: Schizoid personality disorder
Explanation:Schizoid personality disorder is a personality disorder that is only recognized in the ICD-10. It is characterized by a lack of enjoyment in activities, emotional detachment, difficulty expressing emotions, indifference to praise of criticism, little interest in sexual experiences, a preference for solitary activities, excessive introspection, a lack of close relationships, and insensitivity to social norms. When diagnosing this disorder, it is important to differentiate it from an autistic spectrum disorder. One way to do this is to look for a lack of reliance on routines and rituals, as well as a lack of desire for friendship of relationships. While individuals with an autistic spectrum disorder may struggle with relationships, they typically desire them and experience feelings of loneliness.
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- Diagnosis
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Question 6
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A 45-year-old female patient was started on an antipsychotic medication for the first time. She presented with fluctuating blood pressure, hyperthermia, confusion, urinary incontinence, and elevated levels of creatinine kinase. What is the diagnosis?
Your Answer: Neuroleptic malignant syndrome
Explanation:Neuroleptic malignant syndrome (NMS) is a serious and potentially fatal complication of neuroleptic treatment that is characterized by hyperthermia, rigidity, confusion, diaphoresis, autonomic instability, elevated creatinine phosphokinase, and leukocytosis. It can occur at any time during antipsychotic treatment and is often misdiagnosed as an exacerbation of psychosis. Therefore, it is crucial to accurately diagnose NMS.
Dystonias are abnormal movements of postures caused by brief of prolonged muscle contractions, including oculogyric crisis, tongue protrusion, trismus, torticollis, laryngeal pharyngeal dystonias, and dystonic postures of limbs and trunk.
Symptoms of parkinsonism include muscle stiffness (lead pipe rigidity), cogwheel rigidity, shuffling gait, stooped posture, and drooling. The pill rolling tremor of idiopathic parkinsonism is rare, but a regular coarse tremor similar to essential tremor may be present.
Tardive dyskinesia is a delayed effect of antipsychotics that rarely occurs until after six months of treatment. Tardive dystonia is a form of drug-induced secondary dystonia.
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- Diagnosis
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Question 7
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A 62-year-old male with a prolonged history of alcohol abuse arrives at the Emergency department displaying evident disorientation, a lateral gaze palsy, and lack of coordination. His blood alcohol concentration measures at 68 mg per 100 mls blood, while his electrolytes, complete blood count, and liver function tests appear normal. What is the most probable diagnosis?
Your Answer: Wernicke's encephalopathy
Explanation:If a patient presents with confusion, eye signs (ophthalmoplegia of nystagmus), and an ataxic gait, Wernicke’s encephalopathy should be suspected. This serious, but reversible, condition is most commonly caused by alcohol dependence and is due to a lack of Vitamin B1 (thiamine). Acute alcohol intoxication is unlikely as the patient’s blood alcohol level is below the legal limit for driving. Amnesic syndrome is not the correct diagnosis as it is characterized by impairment of new learning without obvious confusion. Normal pressure hydrocephalus is characterized by urinary incontinence, gait disturbance, and cognitive decline. Subdural hematoma is not a likely diagnosis as there is no history of head injury.
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- Diagnosis
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Question 8
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A 35-year-old firefighter comes to the hospital six weeks after responding to a major fire incident. He is worried that he might be suffering from post-traumatic stress disorder (PTSD).
What symptom would be the most indicative of this diagnosis?Your Answer: Flashbacks of the traumatic event
Explanation:While EMDR can be beneficial for various disorders, its effectiveness does not hold any diagnostic significance for PTSD. The presence of flashbacks of distressing reliving experiences is the primary requirement for diagnosing PTSD, and other symptoms such as autonomic disturbance, avoidance of work, and increased sensitivity to noise are not necessary for diagnosis.
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- Diagnosis
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Question 9
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As the liaison psychiatry doctor on-call, you are requested to assess a 42-year-old male patient in the early hours of the morning on a general medical ward. He was admitted with pancreatitis twelve hours ago and has been medically cleared. The patient has no significant past medical of psychiatric history, but he has become paranoid and delusional, believing that there are bugs crawling under his skin. What is the probable diagnosis?
Your Answer: Delirium tremens (DTs)
Explanation:The presence of acute psychosis, visual hallucinations, and formications in an individual with pancreatitis likely caused by alcohol suggests severe alcohol withdrawal of DTs, which should have been prevented with prophylactic treatment using Librium (chlordiazepoxide). Schizophrenia is improbable due to the patient’s age, sudden onset of symptoms, and lack of first rank symptoms. Korsakoff’s of amnesic syndrome typically precedes Wernicke’s, and parenteral Pabrinex (thiamine) is usually administered prophylactically. Since the patient was an inpatient, it is unlikely that he had access to illicit drugs, and the absence of post-seizure psychosis rules out that possibility.
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- Diagnosis
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Question 10
Incorrect
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You receive a call from a fellow physician who is worried she might be experiencing panic disorder. What symptom is most indicative of this diagnosis?
Your Answer: Gradual onset of attacks
Correct Answer: Episodic anxiety
Explanation:Panic disorder is a mental health condition that is characterized by sudden and intense episodes of anxiety that often occur without warning. Physical symptoms such as palpitations and dizziness are common during these episodes. Fear of collapsing of dying is a common psychological symptom associated with this disorder. Free-floating anxiety is a feature of generalized anxiety disorder, while situational anxiety is more characteristic of specific phobic anxiety. The International Classification of Diseases (ICD-10) classifies panic disorder as F41.0, also known as episodic paroxysmal anxiety.
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