Questões de USMLE

A 52 year old kidney transplant recipient presents with fever, dyspnea, and nonproductive cough 6 weeks after transplantation. CT scan shows diffuse bilateral interstitial infiltra…

A 10-month-old unvaccinated infant presents in January with profuse watery diarrhea and vomiting for 2 days. He appears lethargic with dry mucous membranes and sunken fontanelle. V…

A 34-year-old man with HIV infection presents to the emergency department with a 2-week history of fever, progressive headache, and neck stiffness. He has not taken antiretroviral …

A 32-year-old woman presents with fever, pharyngitis, and exudative tonsils for 3 days. She reports contact with her roommate who had similar symptoms 1 week ago. Rapid strep test …

A 26 year old man presents with foul smelling greasy diarrhea, bloating, and abdominal cramps for 1 week after returning from a backpacking trip where he drank water from mountain …

A 42-year-old woman from Arizona presents with a 3-month history of progressive cough, hemoptysis, and night sweats. She denies dyspnea at rest but reports fatigue. Vital signs: BP…

A 6-year-old boy is brought to the emergency department with a 3-day history of progressive cough and dyspnea. His mother reports he has been wheezing and has had low-grade fevers.…

A 6-year-old unvaccinated boy presents with a 4-day history of high fever (39.8°C), cough, coryza, and conjunctivitis. Physical examination reveals a descending maculopapular rash …

A 54 year old man who emigrated from Bolivia presents with progressive dysphagia, constipation, and exertional dyspnea. Examination reveals an irregular pulse, and echocardiography…

A 63 year old asplenic man from Massachusetts presents in July with fever, malaise, and dark urine. He does not recall international travel. Laboratory studies show hemolytic anemi…

A 45-year-old man from the Southwest presents with fever, cough, and erythema nodosum. Chest X-ray shows hilar lymphadenopathy and a cavitary lesion in the left upper lobe. Sputum …

A 28-year-old man from Brazil presents with oral lesions, difficulty swallowing, and lymphadenopathy. Examination shows painful nodules and ulcers on his lip. He works as a farmer …

A 28 year old man originally from rural Latin America is brought to the emergency department after a generalized tonic clonic seizure. MRI of the brain shows several calcified and …

A 35 year old man with AIDS presents with headache, confusion, and a new onset seizure. CD4 count is 54 cells per microliter. MRI of the brain shows multiple ring enhancing lesions…

A 45-year-old man from Southeast Asia presents with fever, severe headache, neck stiffness, and photophobia for 4 days. CSF shows lymphocytic pleocytosis (180 WBC, 70% lymphocytes)…

A 60 year old man who emigrated from rural Cambodia years ago is started on high dose prednisone for severe asthma. One month later he develops abdominal pain, cough, fever, and gr…

A 49 year old man presents with progressive fatigue and numbness in his feet. He frequently eats raw freshwater fish that he catches while camping. Laboratory studies show hemoglob…

A 71 year old woman presents with severe burning pain over the forehead followed by grouped vesicles on an erythematous base involving the scalp and tip of the nose. She has photop…

A pregnant 24 year old woman who did not receive prenatal care develops a mild febrile illness with posterior auricular lymphadenopathy and a faint rash during the first trimester.…

A 19 year old college student is brought to the emergency department for fever, confusion, and a generalized seizure. MRI of the brain shows edema and hemorrhage in the temporal lo…

A 46-year-old man from Egypt presents with painless gross hematuria, weight loss, and dysuria. Vital signs: BP 128/82, HR 92, RR 18, Temp 37.2°C, SpO2 98%. Cystoscopy reveals a bla…

A 16-year-old girl presents to the emergency department with a 5-day history of fever, severe sore throat, and dysphagia. Vital signs are temperature 39.2°C, heart rate 102/min, re…

A 28-year-old man with a history of pulmonary tuberculosis treated 3 years ago presents to the emergency department with a 3-week history of progressive hemoptysis, low-grade fever…

A 32-year-old woman presents with progressive dyspnea, fever, and bilateral interstitial infiltrates on chest X-ray. She is HIV-positive with a CD4 count of 45 cells/μL and has not…