Questões de USMLE

A 78 year old man with systolic heart failure and atrial fibrillation develops nausea, confusion, and yellow tinged vision 1 week after starting a new medication. ECG shows frequen…

A 19-year-old college student presents with severe occipital headache, profuse diaphoresis, and substernal chest pain after consuming tyramine-rich aged cheese while taking an anti…

A 34-year-old man with generalized anxiety disorder has been taking propranolol 80 mg daily for 2 weeks with good symptom control. He discontinues the medication abruptly without m…

A 57-year-old woman presents for routine ophthalmologic examination. Vital signs are stable: BP 128/82 mmHg, HR 78 bpm, RR 16/min, temperature 37.2°C. The ophthalmologist instills …

A 55-year-old man with a 10-year history of hypertension presents to clinic for follow-up. His blood pressure has been well controlled on lisinopril 10 mg daily (current BP 128/82 …

A 28-year-old woman with generalized anxiety disorder started on phenelzine 45 mg daily three weeks ago presents with severe occipital headache, neck stiffness, and diaphoresis. Vi…

A 52-year-old man with COPD and hypertension started an antihypertensive medication one week ago. He now presents with a persistent, nonproductive cough that began three days after…

A 28-year-old man with a 10-year history of ulcerative colitis undergoes total proctocolectomy with ileostomy after an acute perforation. Three weeks postoperatively, he is started…

A 24-year-old woman with no significant past medical history presents to an ophthalmology clinic for a routine retinal examination. Prior to fundoscopic evaluation, she receives ey…

A 70-year-old man presents to his primary care physician with a 6-month history of urinary hesitancy, weak urinary stream, and nocturia occurring three to four times per night. He …

A 55-year-old woman with a history of recurrent calcium oxalate kidney stones and mild hypertension is brought to her primary care physician for a routine follow-up visit. Her bloo…

A 52-year-old man with a history of myocardial infarction 3 months prior presents to his cardiologist with persistent hypertension (BP 158/94 mmHg) and recurrent anginal chest pain…

A 59-year-old man with open-angle glaucoma presents with intraocular pressure of 28 mmHg (normal <21 mmHg) on initial measurement. He is started on topical therapy. Vital signs are…

A 33-year-old military veteran with PTSD presents with recurrent trauma-related nightmares unresponsive to psychotherapy. Vital signs show BP 128/82 mmHg, HR 92 bpm, RR 16/min, tem…

A 60-year-old man with hypertension on lisinopril presents with a persistent dry cough for 3 weeks. Vital signs show BP 148/92 mmHg, HR 78/min, RR 16/min. His physician switches to…

A 32-year-old man with a history of hypertension treated with metoprolol presents unresponsive with pinpoint pupils, bradypnea (8 breaths/min), and decreased bowel sounds. Vital si…

A 68-year-old former smoker with COPD presents with persistent dyspnea (RR 22, SpO2 88% on room air). He denies chest pain or palpitations. His current medications include albutero…

A 16-year-old boy undergoes emergency appendectomy. Shortly after induction with succinylcholine and sevoflurane, he develops rapidly increasing end-tidal CO2 (8.5 kPa), generalize…

A 72-year-old man with a history of chronic kidney disease stage 4, hypertension, and heart failure with reduced ejection fraction presents to his cardiologist for a routine follow…

A 52-year-old woman with mixed dyslipidemia and hypertension (BP 148/92 mmHg, HR 78) starts niacin for lipid lowering. Shortly after each dose, she develops intense facial flushing…

A 34-year-old woman with a history of hypertension managed with a daily oral beta-blocker is scheduled for a minor outpatient procedure. Prior to the procedure, she receives an int…

A 44-year-old woman presents with episodic headaches, palpitations, and diaphoresis. Vital signs show BP 180/110 mmHg, HR 98 bpm, RR 16, temp 37°C, SpO2 98%. Plasma metanephrines a…

A 47-year-old man with major depressive disorder started phenelzine 45 mg daily one month ago. He presents to the ED with severe occipital headache, chest pain, and diaphoresis aft…

A 27-year-old man with a hand abscess presents for incision and drainage. Vital signs show BP 128/82 mmHg, HR 92 bpm, RR 16/min, Temp 38.9°C, SpO2 98% on room air. Despite lidocain…