A 65-year-old woman is admitted to the hospital for constant, severe abdominal pain that has worsened over the prior week. She has no other associated symptoms, such as nausea or vomiting, but has noticed that her daily urine output has sharply decreased. She has had a constant desire to urinate, but, when she tries, only [...]

The treatment of choice for recurrent transient ischemic attacks in a patient on aspirin with new-onset atrial fibrillation: a) Anticoagulation b) Carotid endarterectomy c) Clopidogrel d) Corticosteroid treatment e) Carotid stent The correct answer is A. Patient compliance with antiplatelet therapy should be determined. When possible, the cause of the TIA or sroke should be [...]

A 29-year-old man is brought to the emergency department in a comatose state a few hours after complaining of sudden onset of excruciating headache. Neurologic examination reveals dilated pupils poorly responsive to light. A CT scan of the head without contrast demonstrates hyperdensity within the suprasellar cistern, while MRI is unremarkable. Lumbar puncture shows hemorrhagic [...]

A patient has persistent >2mm ST elevation in V2-6 two hours following a myocardial infarction, with hypertension of 205/115 mmHg. He has already been given morphine and aspirin. What is the next management of choice? a) IV Nitroglycerine b) Double-bolus r-PA c) IV GTN d) IV streptokinase e) Subcutaneous heparin The correct answer is A A working [...]

What would typically cause the pressure–volume curve of the left ventricle to be shifted to the left? a) Aortic regurgitation b) Mitral stenosis c) Aortic stenosis d) Mitral regurgitation e) Tricuspid stenosis The correct answer is C In severe aortic stenosis , the left ventricle functions at the steep portion of the pressure-volume curve. In [...]

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