Questões de USMLE

A 35-year-old woman presents with confusion, fever, and dark urine. Vital signs show temperature 38.9°C, blood pressure 108/72 mmHg, heart rate 102/min, respirations 18/min, and Sp…

A 43-year-old man with chemotherapy-induced thrombocytopenia receives a platelet transfusion. Thirty minutes later, he develops fever (38.9°C), chills, and malaise. Vital signs sho…

A 52-year-old man with a 10-year history of alcohol use disorder and biopsy-proven cirrhosis presents to the emergency department with hematemesis. Physical examination reveals jau…

A 45-year-old woman undergoes preoperative screening before elective surgery. Laboratory studies reveal elevated aPTT (48 seconds) with normal PT (12 seconds), platelet count (245,…

A 45-year-old man with cirrhosis presents with epistaxis and easy bruising. Vital signs: BP 128/76, HR 92, RR 16, Temp 37°C, SpO2 98%. He denies recent anticoagulant use. Laborator…

A 7-year-old boy is brought to the emergency department because of swelling and severe pain in his right knee after a minor fall. His maternal uncle had similar problems. Examinati…

A 3-year-old boy is brought to the emergency department by his mother after spontaneous epistaxis lasting 2 hours. She reports he had prolonged bleeding for 5 days following circum…

A 3-year-old boy presents with a 6-month history of spontaneous hemarthrosis, intramuscular hematomas, and epistaxis. His mother reports no significant bleeding history. Laboratory…

A 28-year-old man presents with acute left leg pain and swelling. Vital signs: BP 118/76, HR 92, RR 16, temp 37°C, SpO2 98% on room air. Duplex ultrasound confirms left femoral DVT…

A 28-year-old woman presents to the hematology clinic for evaluation of recurrent thromboembolism. She has a history of two unprovoked deep vein thromboses at ages 24 and 26, and t…

A 12-year-old girl has recurrent gingival bleeding and heavy menses. Her platelet count, PT, and PTT are normal, but bleeding time is prolonged. Platelet aggregation studies show a…

A 62-year-old woman with newly diagnosed adenocarcinoma of the lung completed her second cycle of chemotherapy 2 weeks ago. She presents to the emergency department with acute dysp…

A 29-year-old Rh-negative woman delivers her second child vaginally. She had elevated anti-D antibodies during pregnancy. The newborn presents with jaundice at 12 hours of life and…

A 28-year-old man with no significant past medical history presents with spontaneous bleeding from the gums, blood in the stool, and a petechial rash. His laboratory results show P…

A 21-year-old male college student presents with a 3-day history of jaundice, dyspnea on exertion, and fatigue. He reports a sore throat and malaise for the past 2 weeks. Vital sig…

A 31 year old woman presents with unilateral leg swelling 2 weeks after starting an estrogen containing oral contraceptive. Her mother had multiple deep venous thromboses. Coagulat…

A 68-year-old man with newly diagnosed gastric cancer presents with acute-onset bilateral lower extremity pain and swelling. Vital signs show BP 138/82, HR 92, RR 18, temp 37.2°C, …

A 19-year-old woman with no prior anticoagulant use presents with recurrent epistaxis and menorrhagia since menarche. She reports excessive bleeding for 2 weeks following tooth ext…

A 6-year-old boy presents to the emergency department with spontaneous hemarthrosis of the left knee and ecchymoses on his arms and legs following minor trauma 2 days ago. His moth…

A 4 year old girl is brought to the emergency department with reduced urine output and pallor 5 days after an episode of bloody diarrhea at a petting zoo. Laboratory studies show t…

A 4-year-old boy presents with chronic hemolytic anemia, scleral icterus, and splenomegaly. Vital signs: HR 110/min, RR 22/min, BP 95/60 mmHg, temperature 37.2°C. Laboratory studie…

A 6-year-old boy with a family history of bleeding disorders presents with epistaxis and excessive bleeding after a minor laceration to his lip. Laboratory studies reveal a normal …

A 34-year-old pregnant woman with alcohol use disorder presents with fatigue and glossitis. Vital signs show BP 118/76 mmHg, HR 88/min, RR 16/min, temperature 37.2°C, and SpO2 98% …

A 37-year-old woman with iron deficiency anemia (hemoglobin 6.2 g/dL) receives a packed red blood cell transfusion. Thirty minutes later, she develops fever (38.9°C), chills, and t…