Questões de USMLE
3.602 questões com gabarito e explicação.
Fazer o diagnóstico grátisA 4-year-old boy is brought to the emergency department with lethargy and diaphoresis after ingesting his grandmother's diabetes medication. Vital signs: BP 90/55, HR 128, RR 22, T…
A 67-year-old man with severe COPD presents with vomiting, tremor, and palpitations. Vital signs show HR 128/min, BP 148/92, RR 22/min, temperature 37.2°C, and SpO2 92% on home oxy…
A 43-year-old woman with breast cancer receiving doxorubicin presents with progressive dyspnea and fatigue. Vital signs show BP 128/82 mmHg, HR 102 bpm, RR 18/min, and SpO2 98% on …
A 59-year-old man receiving high-dose nitroprusside for hypertensive emergency (BP 210/120 mmHg, HR 102, RR 18, SpO2 98% on room air) becomes progressively confused over 6 hours. L…
A 31-year-old woman is rescued from a house fire. She presents with BP 88/52, HR 112, RR 22, SpO2 98% on supplemental oxygen, and altered mental status. Laboratory testing reveals …
A 6-year-old boy with developmental delay presents with abdominal pain, constipation, and irritability. Vital signs show BP 105/68 mmHg, HR 98/min, RR 20/min, temperature 37.2°C. L…
A 25-year-old man with a history of intravenous drug use is found unresponsive with shallow breathing (RR 8/min), bradycardia (HR 52/min), and pinpoint pupils. Vital signs show BP …
A 35-year-old farm worker is brought to the emergency department after collapsing in a greenhouse with known pesticide exposure. Vital signs show BP 92/58, HR 128, RR 24, SpO2 88% …
A 55-year-old man with hypertension has been on hydrochlorothiazide monotherapy for 2 years. He presents with blood pressure 148/92 mmHg, heart rate 78/min, and denies dyspnea. Lab…
A 62-year-old man with heart failure (EF 30%) started on carvedilol 2 weeks ago presents with fatigue and orthostatic dizziness. Vital signs: BP 98/62 mmHg (baseline 125/80), HR 52…
A 70-year-old woman with recurrent ventricular tachycardia was started on a medication that markedly prolongs phase 3 repolarization. One year later, she presents with progressive …
A 44-year-old man with recurrent ventricular arrhythmias is started on an antiarrhythmic medication. Three months later, he presents with fever (38.5°C), arthralgias, and pleuritic…
A 52-year-old man with alcohol use disorder presents with acute pancreatitis. Forty-eight hours after admission, he develops tremors, anxiety, and diaphoresis. Vital signs show BP …
A 68-year-old man with hypertension presents to the emergency department with acute onset chest pain, diaphoresis, and dyspnea. Vital signs are BP 210/135 mmHg, HR 125/min, RR 24/m…
A 54-year-old woman with recurrent calcium kidney stones and hypertension presents with BP 158/94 mmHg, HR 82 bpm, and serum creatinine 0.9 mg/dL. She is started on a diuretic. Aft…
A 56-year-old man with hypertension presents with BP 168/102 mmHg, HR 88, RR 16, and normal SpO2. He is started on a medication that decreases angiotensin I formation by directly i…
A 65-year-old woman with a history of paroxysmal supraventricular tachycardia presents with palpitations, dyspnea, and chest discomfort. Vital signs show BP 138/82 mmHg, HR 178 bpm…
A 27-year-old woman with chronic hypertension (BP 152/98 mmHg) taking an antihypertensive medication becomes pregnant. At her first prenatal visit, the drug is discontinued due to …
A 29-year-old man is brought to the emergency department after being found in a running car in a closed garage. He presents with severe headache, confusion, and characteristic cher…
A 41-year-old farm worker is brought to the emergency department after collapsing in a field following acute organophosphate pesticide exposure. He presents with diaphoresis, wheez…
A 6-year-old boy presents with lead poisoning from peeling paint exposure. Vital signs: BP 105/68 mmHg, HR 88/min, RR 20/min, temp 37°C, SpO2 98% on room air. Blood lead level is 5…
A 45-year-old man with no significant past medical history undergoes elective knee arthroscopy under general anesthesia. After receiving succinylcholine 1.5 mg/kg IV for rapid sequ…
A 42-year-old man presents with severe vomiting and diarrhea 6 hours after consuming foraged wild mushrooms. He initially improves but returns 2 days later with jaundice, abdominal…
A 48-year-old man with resistant hypertension (BP 168/104 mmHg) and hypokalemia (K+ 3.2 mEq/L) is diagnosed with primary hyperaldosteronism from an adrenal adenoma on CT imaging. W…