Cardiology Research and Practice / 2010 / Article / Fig 2

Case Report

Myotonic Dystrophy Initially Presenting as Tachycardiomyopathy Successful Catheter Ablation of Atrial Flutter

Figure 2

Intracardiac electrograms showing normal conduction times during sinus rhythm, especially without infrahisian delay. PQ:166 ms, QRS: 66 ms, AH: interval 102 ms, HV-interval: 52 ms, HRA: high right atrium, HIS: His-bundle electrogram, RVA: right ventricular apex, and CS: coronary sinus electrogram.

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