Fascicular Ventricular Tachycardia in a Neonate

Ventricular arrhythmias may involve the fascicular system and have been seen in both structurally normal and abnormal hearts. The posterior fascicle is the most commonly affected region and accounts for about 90% of cases of idiopathic fascicular ventricular tachycardia. This tachycardia often occurs in the absence of structural disease. The mechanism of this tachycardia is believed to be localized reentry close to the fascicle of the left bundle branch. Our case begins with a 6-day-old full-term healthy male, whose mother had an uncomplicated pregnancy, presenting to the hospital emergency room after concerns from PCP’s office …