Questões de USMLE
3.602 questões com gabarito e explicação.
Fazer o diagnóstico grátisA 22-year-old previously healthy student who has been studying all night stands up quickly and experiences brief dizziness. Vital signs show BP 92/58 mmHg, HR 118/min, RR 16/min, S…
A 62-year-old woman with a 10-year history of hypertension presents to the emergency department with progressive dyspnea on exertion over the past 3 months, orthopnea requiring 3 p…
A 62-year-old man with a history of hypertension and anterior wall myocardial infarction 2 years ago presents to the emergency department with a 3-week history of progressive dyspn…
A 26-year-old woman with a 2-year history of recurrent episodes presents with fingers turning white, then blue, then red upon cold exposure. Episodes are painful and resolve with r…
A full-term newborn develops cyanosis (SpO2 78%), tachypnea (RR 68), and hepatomegaly within hours of birth. Heart rate is 165 bpm; blood pressure is normal. The mother took lithiu…
A 23-year-old man with chronic sinusitis, recurrent childhood otitis media, and infertility presents with a chronic productive cough and progressive dyspnea. Vital signs: BP 118/76…
A 58-year-old man presents with progressive abdominal distention and lower extremity edema 10 years after mediastinal radiation therapy for lymphoma. Vitals show BP 128/92 mmHg, HR…
A 58-year-old man with long-standing uncontrolled hypertension presents with abrupt onset of severe tearing chest pain radiating to the back. Vital signs show BP 185/110 mmHg (righ…
A 72-year-old woman presents with 3 days of fatigue and palpitations. Vital signs show BP 135/82 mmHg, HR 130/min, RR 18/min, temp 37.2°C, SpO2 98% on room air. ECG demonstrates at…
A 21-year-old man presents with palpitations and chest discomfort one week after a flu-like illness. Vital signs: BP 118/76 mmHg, HR 102 bpm, RR 18, Temp 37.2°C, SpO2 98% on room a…
A 30-year-old woman with known Wolff-Parkinson-White syndrome presents with sustained palpitations and chest discomfort. Vital signs: BP 118/76 mmHg, HR 180 bpm, RR 18, SpO2 98% on…
A 72-year-old woman with long-standing hypertension presents with palpitations and dyspnea. Vital signs show BP 148/92 mmHg, HR 118/min, RR 22/min, temperature 36.8°C, and SpO2 98%…
A 63-year-old man develops acute shortness of breath 3 days after an inferior wall myocardial infarction. He presents with BP 92/58, HR 118/min, RR 28/min, and SpO2 82% on room air…
A 66-year-old man with anterior wall myocardial infarction presents with acute dizziness. Vital signs show BP 88/56, HR 42, RR 18, SpO2 98% on room air. ECG demonstrates wide QRS c…
A 27-year-old pregnant woman at 24 weeks gestation presents with sudden palpitations and diaphoresis. Vital signs show BP 118/76 mmHg, HR 185/min, RR 20/min, SpO2 98% on room air. …
A 68-year-old man with a 10-year history of hypertension presents to the emergency department with progressive dyspnea on exertion and orthopnea over 3 weeks. His wife reports he h…
A 34-year-old man of Southeast Asian ancestry is brought to the emergency department after an episode of nocturnal syncope. His brother died suddenly at age 30. ECG shows pseudo-ri…
A 62-year-old man with a 10-year history of hypertension presents with progressive dyspnea on exertion, orthopnea, and bilateral ankle edema over the past 3 months. Physical examin…
A 76-year-old woman with a 20-year history of hypertension presents with progressive exertional dyspnea and orthopnea for 3 months. She takes lisinopril but remains non-adherent. V…
A 12-year-old boy presents with syncope during soccer practice. Vital signs show BP 110/68 mmHg, HR 82 bpm, RR 16/min, temperature 37°C, and SpO2 98% on room air. Resting ECG and t…
A 77-year-old woman with heart failure and chronic kidney disease presents with nausea, yellow-tinted vision, and palpitations. Vital signs: BP 98/62 mmHg, HR 140/min, RR 20/min, t…
A 45 year old man presents with awareness of forceful heartbeats and exertional dyspnea. Blood pressure is 162/48 mm Hg. On examination, the peripheral pulses are bounding, and a b…
A 74-year-old man with acute inferior wall myocardial infarction develops bradycardia with a heart rate of 38 bpm. Physical exam reveals cannon A waves in the neck. ECG shows P wav…
A 23-year-old male collapses during intense exercise. Vital signs reveal HR 118/min, BP 92/58 mmHg, RR 22/min, SpO2 94% on room air. ECG demonstrates T-wave inversions in V1–V3 wit…