Questões de USMLE

A 28-year-old man presents after a motor vehicle collision in which his flexed knee struck the dashboard. He reports knee pain and instability. Vital signs show BP 128/82 mmHg, HR …

A surgeon performing an appendectomy makes an incision through the ventrolateral abdominal wall. The layers of the abdominal wall are shown below: 1. Internal oblique, 2. External …

One week following a sexual encounter at a ski resort in Colorado, a young female develops a painful, swollen knee joint. The emergency department physician suspects gonococcal art…

A 34-year-old female bursts through the doors of the emergency department. She is straining to take a breath but can only mouth the phrase: 'I can't br—' before collapsing. She is …

A 3629-g (8-lb) newborn is examined shortly after spontaneous vaginal delivery. She was delivered at 40 weeks' gestation and pregnancy was uncomplicated. Her mother is concerned be…

A 44-year-old man receives an intramuscular injection in the inferomedial quadrant of the buttock. He subsequently develops marked weakness of knee flexion and ankle dorsiflexion w…

A 47-year-old man undergoes left subclavian central venous catheter placement. Within 24 hours, he develops dyspnea, with vital signs showing HR 102/min, RR 22/min, and SpO2 92% on…

A 45-year-old woman with metastatic lung cancer presents to the emergency department with acute onset dyspnea and pleuritic chest pain over 2 days. She has been hospitalized for 5 …

A 68-year-old woman is admitted to the hospital following surgical repair of an intertrochanteric hip fracture. On postoperative day 3, she develops acute onset dyspnea and sharp, …

A 44-year-old man with an unprovoked deep vein thrombosis and subsequent pulmonary embolism is found to have a Factor V Leiden mutation on hypercoagulability testing. He is heteroz…

A 67-year-old woman presents on postoperative day 4 following total hip arthroplasty with acute dyspnea and pleuritic chest pain. Vital signs reveal heart rate 112 bpm, blood press…

A 60-year-old man with known PE on anticoagulation presents 3 months later with progressive exertional dyspnea despite therapeutic anticoagulation. Echocardiography shows a right v…

A 45-year-old man is brought to the emergency department with severe dyspnea, diaphoresis, and syncope. His blood pressure is 72/48 mmHg, heart rate is 130 bpm, and oxygen saturati…

A 58-year-old woman presents to the emergency department with sudden onset dyspnea and pleuritic chest pain 5 days after total knee replacement surgery. Her heart rate is 112 bpm, …

A 46 year old woman returns from a 14 hour flight and develops sudden shortness of breath and pleuritic chest pain. She has been taking estrogen containing oral contraceptives. Pul…

A 24-year-old man undergoes operative repair of a femoral shaft fracture following motor vehicle collision. On postoperative day 2, he develops acute dyspnea, confusion, and petech…

A 72-year-old man with a history of DVT 2 years ago (treated with 6 months of warfarin) presents with acute dyspnea. Clinical pretest probability for PE is high. D-dimer is 3.2 mcg…

A 52-year-old woman with atrial fibrillation (not anticoagulated) presents to the emergency department with sudden onset dyspnea, right-sided pleuritic chest pain, and blood-tinged…

A 71-year-old man with COPD and cor pulmonale presents with acute dyspnea and syncope. Chest X-ray shows cardiomegaly and pulmonary congestion. Arterial blood gas reveals PaO2 55 m…

A 33-year-old man sustains a posterior knee dislocation during a motorcycle crash. On examination, his blood pressure is 128/82 mmHg, heart rate 102 bpm, and the affected leg shows…

A 9-year-old boy presents to the emergency department with a 4-day history of fever, productive cough, and right-sided pleuritic chest pain. His mother reports he had symptoms of r…

A 62-year-old man undergoes emergency laparotomy for hepatic hemorrhage with BP 92/58, HR 118/min, RR 22/min. Intraoperative ultrasound confirms active bleeding from the right hepa…

A 19-year-old college student living in a dormitory presents with fever, sore throat, and malaise for 2 days, followed by nonproductive cough and dyspnea. Chest X-ray shows bilater…

A 58-year-old woman who works at a bird sanctuary presents with insidious onset of fever, chills, dyspnea, and a nonproductive cough over 3 weeks. She reports night sweats and weig…