Questões de USMLE
3.602 questões com gabarito e explicação.
Fazer o diagnóstico grátisA 45-year-old man with no prior cardiac history reports intermittent palpitations and sensation of skipped beats, particularly after inadequate sleep. Vital signs: BP 128/82 mmHg, …
A 28-year-old man with a history of intermittent palpitations presents with lightheadedness. Vital signs: BP 118/76 mmHg, HR 165 bpm, RR 18, temp 37.2°C, SpO2 98% on room air. ECG …
A 68-year-old man presents for routine evaluation. He reports feeling well with no syncope, palpitations, or dyspnea. Vital signs show BP 138/82 mmHg, HR 72 bpm, RR 16, temperature…
A 72-year-old man with hypertension and type 2 diabetes mellitus presents to the emergency department complaining of acute onset palpitations and shortness of breath. His wife repo…
A 68-year-old man with a history of hypertension and left ventricular hypertrophy presents to the emergency department after experiencing syncope during morning jogging. His wife r…
A 34-year-old woman with no significant past medical history presents to the emergency department with acute onset palpitations and chest discomfort. Symptoms began 30 minutes ago …
A 68-year-old man with a history of myocardial infarction presents with palpitations and dyspnea. Vital signs show BP 128/82 mmHg, HR 142 bpm, RR 18, temperature 37.2°C, and SpO2 9…
A 22-year-old medical student presents with recurrent episodes of sinus tachycardia (HR 115 bpm) triggered by stress. Vital signs show BP 128/76, RR 16, temp 37°C, SpO2 98%. ECG de…
A 63-year-old man with a prior anterior myocardial infarction presents with symptomatic paroxysmal atrial fibrillation. Current vital signs: BP 128/82 mmHg, HR 142 bpm, RR 16, temp…
A 34-year-old woman on sotalol for atrial fibrillation presents with sudden syncope. Vital signs show BP 88/56 mmHg, HR 160 bpm, RR 22/min, and SpO2 94% on room air. Telemetry reve…
A 67-year-old man with a 15-year history of COPD presents to the emergency department with acute dyspnea, fever, and productive cough. Vital signs show: HR 102 bpm, BP 138/88 mmHg,…
A 38-year-old woman without prior cardiac history presents to the emergency department with acute-onset palpitations and dyspnea. She reports symptom onset 15 minutes ago while at …
A 64 year old woman comes to the emergency department because of sudden substernal chest pain and shortness of breath that began after attending her husband's funeral. Electrocardi…
A 67-year-old man presents with progressive exertional dyspnea and bilateral lower extremity edema. Vital signs show BP 148/92 mmHg, HR 92 bpm, RR 18, temperature 37.2°C, and SpO2 …
A 73-year-old man with hypertension presents with two episodes of unexplained syncope over three months. Vital signs: BP 148/92 mmHg, HR 58 bpm, RR 16, temp 37°C, SpO2 98% on room …
A 41-year-old woman presents to the emergency department following a stab wound to the left anterior chest. She reports dyspnea and anxiety. Vital signs: BP 82/54 mm Hg, HR 118/min…
A 29 year old woman with a childhood history of an unrepaired congenital heart defect now reports progressive dyspnea and cyanosis. Examination shows digital clubbing and a loud P2…
A 9-month-old male presents with cyanotic episodes triggered by crying during venipuncture. The mother reports the infant assumes a characteristic squatting position that relieves …
A 2-month-old girl presents with poor feeding and diaphoresis during feeds. Maternal history reveals rubella infection during pregnancy. Vital signs show HR 160/min, RR 48/min, BP …
A 3-month-old male with trisomy 21 presents with poor feeding and failure to thrive. Vital signs show HR 156 bpm, RR 48/min, BP 82/56 mmHg, and SpO2 94% on room air. Physical exami…
A 70-year-old man presents with hypotension (BP 85/52 mmHg), tachycardia (HR 118/min), and cool, clammy extremities several hours after a large anterior myocardial infarction. Phys…
A 34-year-old male with a 20 pack-year smoking history presents with severe pain in his fingers and toes. Vital signs show BP 128/82 mmHg, HR 92 bpm, RR 16, temp 37.2°C, SpO2 98% o…
A 45-year-old man with hypertension presents with crushing substernal chest pain radiating to the left arm for 2 hours. Vital signs: BP 165/95 mmHg, HR 112 bpm, RR 20, temp 37.2°C,…
A 22 year old man has exertional syncope during sprinting. His uncle died suddenly at age 30. Cardiac examination reveals a harsh systolic murmur at the left sternal border. The mu…