A 37-year-old patient presents with fatigue and low-grade fe…
A 37-year-old patient presents with fatigue and low-grade fever after recent travel. Serologic testing for hepatitis A reveals positive anti–HAV IgG and negative anti–HAV IgM. Which interpretation of these results is most appropriate?
Read DetailsA 78-year-old man with GERD and a seizure disorder treated w…
A 78-year-old man with GERD and a seizure disorder treated with phenytoin is taking cimetidine for heartburn. His phenytoin levels are now supratherapeutic despite no dose changes. What best explains this finding and the most appropriate management?
Read DetailsA 67-year-old patient with coronary artery disease and a his…
A 67-year-old patient with coronary artery disease and a history of myocardial infarction takes aspirin 81 mg daily for secondary prevention. The patient is scheduled for elective cataract surgery and asks when the aspirin should be stopped to prevent bleeding. What is the most appropriate recommendation?
Read DetailsA 38-year-old woman with moderate persistent asthma has been…
A 38-year-old woman with moderate persistent asthma has been using an inhaled glucocorticoid for 6 months. Her symptoms have improved, but she asks why she must continue taking it daily even when she feels well. What is the primary mechanism by which inhaled glucocorticoids improve asthma control over time?
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