Practice targeted AMC-style multiple-choice questions on weakness.
A 72-year-old woman is admitted to the hospital with increasing confusion and generalized weakness over the past week. Her medical history includes hypertension, for which she takes hydrochlorothiazide 25mg daily. On examination, she is lethargic and disoriented. Her blood pressure is 110/70 mmHg, heart rate is 88 bpm, and respiratory rate is 16 breaths per minute. Neurological examination reveals decreased reflexes. Initial laboratory investigations reveal the following: Sodium: 118 mmol/L Potassium: 3.8 mmol/L Chloride: 85 mmol/L Bicarbonate: 24 mmol/L Blood Urea Nitrogen (BUN): 25 mg/dL Creatinine: 1.1 mg/dL Glucose: 95 mg/dL Urine osmolality is 600 mOsm/kg. Serum osmolality is 250 mOsm/kg. Which of the following is the most appropriate initial management strategy?
A 60-year-old man with a Popeye deformity has no pain but reports mild weakness in supination. What is the most appropriate management?
A 72-year-old male with a history of hypertension presents with a sudden onset of right-sided weakness and expressive aphasia. He underwent endovascular coiling for a PCA aneurysm 1 year ago. The attached image was obtained. What is the MOST likely cause of his current presentation?
A 72-year-old woman is admitted to the hospital with increasing confusion and generalized weakness over the past week. Her medical history includes hypertension, for which she takes hydrochlorothiazide 25mg daily. On examination, she is lethargic but arousable. Her blood pressure is 110/70 mmHg, heart rate is 88 bpm, and respiratory rate is 16 breaths per minute. Neurological examination reveals decreased reflexes. Initial laboratory investigations reveal the following: Sodium 118 mmol/L, Potassium 3.8 mmol/L, Chloride 85 mmol/L, Bicarbonate 24 mmol/L, BUN 15 mg/dL, Creatinine 0.8 mg/dL, Glucose 90 mg/dL. Urine osmolality is 600 mOsm/kg. Serum osmolality is 250 mOsm/kg. Which of the following is the most appropriate initial management strategy?
A 50-year-old man presents with a deformity of his right arm. On examination, there is a bulge in the mid-arm, and the shoulder appears flattened. He reports weakness when flexing his elbow. What is the most likely diagnosis?