Questões de USMLE

A 27-year-old woman with a history of intravenous heroin use is brought to the emergency department by paramedics after being found unresponsive in her apartment. Her roommate stat…

A 52-year-old man with newly diagnosed stage 4 pancreatic cancer presents to his oncology appointment. His oncologist recommends a combination chemotherapy regimen that has a media…

A 52-year-old woman presents to her primary care physician 8 weeks after her husband's death from myocardial infarction. She reports experiencing daily headaches described as a tig…

A 32-year-old man with a history of hypertension enrolls in a randomized controlled trial comparing a new antihypertensive agent to standard care. He is randomized to the control a…

A 250-bed community hospital implements a new computerized physician order entry (CPOE) system with real-time drug interaction alerts to reduce medication errors in the intensive c…

A hospital transitions from a paper-based medication ordering system to computerized physician order entry (CPOE). Three months after implementation, a review shows that while tran…

A 17-year-old boy undergoing screening colonoscopy for familial polyposis presents with hundreds of adenomatous polyps throughout the colon. Vital signs are normal (BP 118/76, HR 7…

A 61-year-old man with metastatic pancreatic adenocarcinoma presents with profound weight loss despite consuming 2500 kcal daily. He has lost 35 pounds over 3 months, reduced muscl…

A 30-year-old woman experiences sudden severe dyspnea, hypotension (BP 80/50), and cyanosis during active labor. Minutes later, she develops profuse bleeding from intravenous sites…

A 41-year-old male scuba diver ascends rapidly following equipment malfunction. He presents with acute dyspnea, dizziness, severe shoulder and knee pain, and skin mottling. Vital s…

A 27-year-old woman undergoes partial hepatectomy for living-donor liver transplantation to her brother. Three weeks postoperatively, she reports right upper quadrant fullness but …

A 450-bed teaching hospital implements a rapid sepsis recognition protocol in the emergency department, which includes automated EHR alerts for lactate >2 mmol/L and systemic infla…

A 29-year-old woman presents with recurrent lymphadenopathy and splenomegaly. Vital signs show BP 118/76, HR 88, RR 16, Temp 37.2°C, SpO2 98%. Laboratory evaluation reveals lymphoc…

A 67-year-old man with atrial fibrillation has been taking warfarin for 18 months. He presents to the emergency department with severe epistaxis, hemoptysis, and a 2-day history of…

A 34-year-old woman at 32 weeks gestation presents to the obstetric unit with a chief complaint of headache and blurred vision for 6 hours. Vital signs are: BP 158/102 mmHg, HR 92/…

A 19-year-old woman with known peanut allergy accidentally ingests a dessert containing peanuts. Within minutes, she develops diffuse urticaria, wheezing, and lightheadedness. Vita…

A 69-year-old woman with rheumatic heart disease presents with progressive dyspnea and orthopnea. Vital signs: BP 148/92 mmHg, HR 108/min, RR 22/min, SpO2 92% on room air. Physical…

A 45-year-old woman presents to the emergency department with fever (38.9°C), hypotension (88/52 mmHg), tachycardia (118 bpm), and altered mental status. Blood cultures are drawn a…

A 62-year-old man with no documented penicillin allergy undergoes elective colorectal surgery. Prophylactic cefazolin is not administered perioperatively. On postoperative day 3, h…

A 40-year-old man with acute myocardial infarction is admitted to a community hospital's cardiac care unit. He receives timely reperfusion therapy and is discharged after an uncomp…

A 38-year-old woman with newly diagnosed atrial fibrillation presents to the anticoagulation clinic to initiate warfarin therapy. Vital signs are stable: BP 118/76, HR 102, RR 16, …

A 45-year-old woman presents to the emergency department with acute substernal chest pain. The initial EKG shows nonspecific ST-segment changes, and a troponin level is ordered. Th…

A 67-year-old male with newly diagnosed atrial fibrillation is prescribed dabigatran 150 mg twice daily in the outpatient clinic. The electronic health record contains recent labor…

A 55-year-old woman with no significant past medical history presents to the emergency department with acute right lower quadrant pain, fever, and elevated WBC. CT imaging confirms…