(FIT)-Module 2 Workshop 3: SVT Mechanisms and Maneuvers-Stevenson Case 7 Question

Stevenson Case 7 Question

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Case 7, a 68-year-old male undergoes EP study for evaluation of narrow QRS tachycardia. Tracing 7.1 shows pacing during tachycardia. Which of the following is the most likely diagnosis? A, AV nodal reentry. B, AV reentry using an accessory pathway. C, atrial tachycardia. D, cannot be determined.