Cardiovascular Drugs USMLE Step 1 Practice Question
A 44-year-old man with recurrent ventricular arrhythmias is started on an antiarrhythmic medication. Three months later, he presents with fever (38.5°C), arthralgias, and pleuritic chest pain. Vital signs show BP 128/82 mmHg, HR 92 bpm, RR 18/min, SpO2 98% on room air. Laboratory studies reveal positive antinuclear antibodies (ANA 1:320) and elevated ESR. Chest X-ray shows no infiltrates. Which antiarrhythmic drug most likely caused this drug-induced lupus complication?
Answer choices
- AAdenosine
- BEsmolol
- CLidocaine
- DProcainamideCorrect answer
- ELosartan
- FAmiodarone
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