A 35-year-old man is evaluated for a 2-year history of intermittent chest pain that is retrosternal, lasts for seconds to minutes, is unrelated to exertion, and does not radiate. It is occasionally associated with swallowing. Upper endoscopy is
A 37-year-old woman is evaluated in the emergency department for the acute onset of pain after 2 weeks of bloody diarrhea. The diarrhea has escalated to 15 times per day. She has ulcerative colitis that was diagnosed 2 years ago. She currently takes
The test of choice for confirming the diagnosis of atrial septal defect suspected on physical examination is transthoracic echocardiography.
460 µg/24 h (1,268 nmol/24 h). Urine potassium, spot test:. 45 mEq/L (45 mmol/L) (normal, 17-164 mEq/L [17-164 mmol/L]).
A 67-year-old woman is evaluated for the abrupt onset of right-sided pleuritic chest pain and moderate dyspnea seemingly triggered by an episode of vigorous coughing during symptoms typical of an upper respiratory infection. She smokes and has COPD.
A 25-year-old man is evaluated for recurrent skin eruption with oval lesions on the chest and upper back, which are occasionally itchy. The lesions began in late spring and worsened over the summer. Following a physical exam, what is the most likely
A 31-year-old man is evaluated for follow-up 2 days after an emergency department visit for palpitations. He reports intermittent palpitations and occasional episodes of shortness of breath. What is the most appropriate next step in management?
A 49-year-old woman is evaluated for a 6- month history of exertional dyspnea and nonproductive cough that had an insidious onset. She has not noticed any particular triggers for her cough. She has no history of asthma, airway disease, reflux, or
Absolute neutrophil count:. 400/µL (0.4 10. 9. /L). Direct Coombs (antiglobulin) test:.
A 68-year-old man was admitted to the hospital 3 days ago for a non-ST-elevation myocardial infarction and underwent cardiac catheterization via the right groin. Today, the patient reports pain in his left toes and diffuse soreness in the left calf.