Questões de USMLE
3.602 questões com gabarito e explicação.
Fazer o diagnóstico grátisA 9-year-old girl presents with progressive exercise intolerance and dyspnea on exertion. Vital signs show HR 98 bpm, BP 110/68 mmHg, RR 18, SpO2 98% on room air. Cardiac examinati…
A 7-year-old boy with a history of cyanotic heart disease presents to the emergency department with acute worsening of dyspnea and cyanosis. Physical examination reveals severe cya…
A 2-day-old male presents with cyanosis, tachypnea (RR 58/min), and poor feeding. Vital signs show HR 165/min, BP 62/38 mmHg, SpO2 78% on room air, and temperature 37.2°C. He has h…
A 4-year-old girl is brought to the emergency department after a syncopal episode during soccer practice. Her mother reports a 6-month history of exercise-induced dyspnea and chest…
A full-term newborn boy presents with severe cyanosis and respiratory distress within 6 hours of birth. Vital signs show HR 165/min, RR 58/min, BP 55/35 mmHg, SpO2 72% on room air,…
A 2-week-old male infant born to a mother with untreated systemic lupus erythematosus presents with poor feeding and hepatomegaly. Vital signs show heart rate of 55 bpm, blood pres…
A 3-week-old female infant born to a mother with rubella infection during the first trimester presents with fever (38.2°C), tachycardia (160 bpm), tachypnea (52 breaths/min), and S…
A 3-day-old male infant presents with cyanosis and severe respiratory distress. Vital signs show HR 165 bpm, RR 58/min, BP 58/40 mmHg, SpO2 78% on room air, and temperature 36.8°C.…
A 1-day-old male with cyanosis and severe respiratory distress presents with HR 165, RR 48, BP 58/32, SpO2 68% on room air, and temperature 37.2°C. Physical examination reveals a s…
A 3-day-old female infant born at term presents for evaluation of a cardiac murmur detected on routine newborn screening. Her mother has a history of Turner syndrome. On examinatio…
A 6-year-old girl presents to clinic for a routine physical examination. She reports mild dyspnea with vigorous play but denies chest pain, syncope, or orthopnea. Her parents note …
A cyanotic newborn presents with persistent SpO2 of 78% and HR 160 bpm. Echocardiography reveals tricuspid atresia with a hypoplastic right ventricle and an atrial septal defect al…
A 2-day-old newborn presents with cyanosis (SpO2 82%), tachypnea (RR 58/min), and tachycardia (HR 165/min). Echocardiography confirms all four pulmonary veins drain anomalously int…
A 27-year-old primigravida at 12 weeks gestation presents to the obstetric clinic with progressive dyspnea on exertion over the past 6 weeks. She reports that she can now only walk…
A 29-year-old woman with a 3-year history of systemic lupus erythematosus presents to the emergency department with acute-onset dyspnea, orthopnea, and hemoptysis. She reports ches…
A 55-year-old man with a 20-year history of poorly controlled hypertension presents to the emergency department with progressive dyspnea on exertion and orthopnea for the past 3 da…
A 35-year-old woman with childhood rheumatic fever presents with palpitations and progressive dyspnea. Vital signs show HR 110/min, BP 118/76 mmHg, RR 20/min, SpO2 94% on room air.…
A 32-year-old woman with a 6-year history of systemic lupus erythematosus (SLE) presents to the emergency department with a 2-week history of progressive dyspnea, low-grade fever (…
A 19-year-old man presents with refractory hypertension despite lisinopril monotherapy. Vital signs reveal BP 165/98 mmHg bilaterally, HR 88/min, RR 16/min. Physical examination de…
A 4-year-old boy with a family history of sudden cardiac death presents to the emergency department with acute onset dyspnea and chest discomfort after playing soccer. His mother r…
A 5-year-old girl with Turner syndrome presents with persistent hypertension (BP 142/88 mmHg in upper extremities, 98/62 mmHg in lower extremities), heart rate 92/min, and a contin…
A 2-year-old boy with a history of cyanotic heart disease presents to the ED with acute severe cyanosis and syncope during crying. His mother reports 'tet spells' that respond to k…
A 45-year-old woman with a history of chronic mitral regurgitation presents to the emergency department with acute onset dyspnea, orthopnea, and pink frothy sputum. She reports pal…
A 68-year-old man with a history of myocardial infarction 2 weeks ago presents with acute dyspnea, hypotension, and a new holosystolic murmur at the left lower sternal border. Pulm…