Key result
A 29-year-old woman with incessant palpitations presented with an ECG revealing an irregular narrow complex tachycardia with a group beating pattern.
Case Report (n=1)
An ECG challenge presenting a case of irregular narrow complex tachycardia with group beating in a young woman.
Alerts clinicians to group-beating patterns in young patients with palpitations; leaves open validation of diagnostic algorithms for irregular tachycardias.
ECG CHALLENGEA 29-year-old woman without known medical illness was evaluated for incessant palpitations.She presented to an emergency department multiple times, where various diagnoses were made, including junctional tachycardia, atrial tachycardia, and atrial fibrillation.Therapy with propafenone, metoprolol, and rivaroxaban was initiated, but her symptoms continued.Echocardiography did not show evidence of structural heart disease.The patient was then referred to our hospital for further treatment and potential ablation for atrial fibrillation.At her clinic visit, a 12-ECG revealed an irregular narrow complex tachycardia with group beating pattern (Figure 1).What is the rhythm shown in Figure 1? Please turn the page to read the diagnosis.
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Naksuk et al. (2017) conducted a case report in Irregular narrow complex tachycardia (n=1). A 29-year-old woman with incessant palpitations presented with an ECG revealing an irregular narrow complex tachycardia with a group beating pattern.
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