1 MCQs in Medicine for NEET PG
A 28-year-old competitive cyclist presents for routine cardiac evaluation. His 12-lead ECG shows the pattern marked **A** in the diagram—progressive PR prolongation over consecutive beats followed by a dropped QRS complex, with the cycle repeating. His heart rate is 42 bpm at rest, and he is completely asymptomatic. Exercise stress testing shows normalization of the rhythm. Which of the following is the most appropriate next step in management?
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