Right atrial diverticulosis and early-onset arrhythmia: Rare cause of incessant neonatal arrhythmia

Abstract

Background

Atrial flutter not responding to medications could be secondary to structural malformations of heart.

Case characteristics

A 5-year-old child with resistant arrhythmia, with onset in neonatal period.

Outcome

Multiple right atrial diverticuli were detected on CT angiography and cardiac catheterization. Patient reverted to sinus rhythm following surgical excision of diverticuli.

Message

In cases of intractable supraventricular tachycardia, structural anomalies of atrium should be suspected.

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