Myotonic Dystrophy Initially Presenting as Tachycardiomyopathy Successful Catheter Ablation of Atrial Flutter
Figure 1
The initial ECG (50 mm/s) shows supraventricular tachycardia with 2 : 1 conduction and a resulting heart rate of 160 bpm. Negative deflections of the P-waves in leads II, III, and aVF suggest the presence of counter-clockwise, isthmus-dependent atrial flutter.
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