A 79-year-old male with a history of hypertension, diabetes, coronary artery bypass grafting, recently diagnosed with atrial flutter and referred for electrophysiology study and catheter ablation. Initial 12-lead electrocardiogram (Fig. 52.1) showed organized atrial activity with a cycle length of approximately 220 ms with negative F waves in leads II, III, and aVF, positive F waves in V1, suggesting typical counterclockwise atrial flutter. Conduction to ventricles was predominantly 4:1. © Springer-Verlag London Limited 2011.
CITATION STYLE
Buch, E., Nakahara, S., Vaseghi, M., Boyle, N. G., & Shivkumar, K. (2011). Case 52. In Cardiac Electrophysiology: Clinical Case Review (pp. 229–231). Springer London. https://doi.org/10.1007/978-1-84996-390-9_52
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