Test Your Knowledge of Classic ECG Findings

Welcome to the next episode of The Reveal where we take you inside the mind of a test-taker to deconstruct and connect the dots of a board-style question so you can become a better student, transform how you learn, and excel not only on high-stakes exams, but also in your general medical knowledge. Let’s get started.

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A 44-year-old man with systemic lupus erythematosus presents to the ED with chest pain and dyspnea. Vital signs are notable for tachycardia and hypotension with a narrow pulse pressure. Bedside ultrasound confirms a large pericardial effusion with collapse of the right ventricle during diastole. Which classic electrocardiogram findings are associated with this disease process?

A) Delta wave and shortened PR interval

B) Diffuse ST elevation

C) Low voltage and electrical alternans

D) S wave in lead I and a Q wave and inverted T wave in lead III

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