Questões de USMLE
3.602 questões com gabarito e explicação.
Fazer o diagnóstico grátisA 45-year-old woman with a 2-year history of systemic lupus erythematosus presents to the clinic with progressive dyspnea on exertion and lower extremity edema. Vital signs show BP…
A 34-year-old male with a history of intravenous drug use presents to the emergency department with a 2-week history of fever, night sweats, and progressive dyspnea. On examination…
A 42-year-old woman presents to the clinic with a 3-year history of exertional dyspnea and occasional palpitations. She denies syncope or chest pain. Her mother died suddenly at ag…
A 34 year old man presents with progressive exertional dyspnea and reduced exercise tolerance. He has no history of rheumatic fever. Examination shows a crescendo decrescendo systo…
A 67 year old man is hospitalized for an acute transmural myocardial infarction. Two days later, he develops sudden pulmonary edema and hypotension. Examination shows a new holosys…
A 27 year old woman with a thin body habitus is noted to have a midsystolic click followed by a late systolic murmur at the apex. When she stands from a squatting position, the cli…
A 65 year old man develops crushing substernal pain radiating to the jaw and is found to have ST elevations in leads II, III, and aVF. Several hours later he becomes bradycardic wi…
A 3 year old boy is brought to the emergency department because of persistent fever for 6 days. He has conjunctival injection, cracked lips, a strawberry tongue, a diffuse rash, an…
A 12 year old boy is brought to the clinic because of fever, migratory joint pain, and shortness of breath 3 weeks after a sore throat that resolved without treatment. Examination …
A 38 year old man is evaluated for exertional dyspnea. He has no history of rheumatic fever. Physical examination reveals a systolic ejection click and a harsh crescendo decrescend…
A 68 year old man with a 45 pack year smoking history has progressive dyspnea, chronic productive cough, and bilateral leg swelling. Physical examination shows elevated jugular ven…
A 59-year-old man presents with 40 minutes of crushing substernal chest pain radiating to his left arm. Vital signs show BP 142/88 mmHg, HR 98 bpm, RR 18, SpO2 98% on room air. ECG…
A 58 year old man is admitted for an inferior wall myocardial infarction. On hospital day 1 he develops episodic dizziness. Telemetry shows progressive prolongation of the PR inter…
A 26 year old man comes to the emergency department because of sharp chest pain for 2 days. The pain is worse with inspiration and when lying flat and improves when he leans forwar…
A 44 year old woman has recurrent episodes of chest pain that occur at rest in the early morning hours. During an episode, ECG shows transient ST segment elevation that resolves af…
A 67 year old man develops dizziness and blurred vision when he uses his left arm to carry groceries. Blood pressure in the left arm is lower than in the right. A bruit is heard ov…
A 58 year old woman has chronic leg heaviness and swelling that worsens after standing all day at work. Examination shows edema around the ankles, brown discoloration over the medi…
A 3-month-old male presents with poor feeding and a harsh holosystolic murmur best heard at the left lower sternal border. Vital signs show HR 145 bpm, RR 42/min, BP 92/58 mmHg, an…
A 68-year-old man with a 5-year history of stable angina presents for evaluation of chest pain that occurs with exertion and is relieved by rest. His symptoms are well-controlled o…
A 50 year old man with poor dentition presents with fever, malaise, and a new heart murmur 2 weeks after a dental extraction. Blood cultures grow alpha hemolytic gram positive cocc…
A 70-year-old man with known CAD and prior stent placement 5 years ago presents with recurrent angina. Stress testing shows inducible ischemia. Angiography reveals 85% stenosis in …
A 62-year-old man with a 40-pack-year smoking history presents with substernal chest pain that began 6 hours ago while mowing his lawn. The pain radiates to his left arm and is acc…
A 68 year old woman underwent mechanical aortic valve replacement 3 months ago. She now presents with fever and malaise. Blood cultures repeatedly grow coagulase negative catalase …
A 73-year-old man with chronic atrial fibrillation and a history of myocardial infarction presents with acute onset of severe left leg pain and pallor. Vital signs show HR 110 bpm …