Recurrent fascicular ventricular tachycardia in myotonic dystrophy

Abstract

Conduction system disease and ventricular tachycardia (VT) are known to occur in myotonic dystrophy (MD) patients. The most commonly reported VT is bundle branch reentry;1 however, there are reports of other types including fascicular VT.2–5 This is a case report of recurrent fascicular VT, originating from two separate sites within the posterior fascicle in an adult patient diagnosed with MD. A 32-year-old male diagnosed with MD presented with sustained palpitations associated with shortness of breath and dizziness. In the emergency room, he was found to have sustained wide complex tachycardia rate >220 bpm ( Figure 1 ), which was treated with procainamide …