Res Cardiovasc Med. 2014 Nov 24;3(4):e25173. doi: 10.5812/cardiovascmed.25173. eCollection 2014 Nov.

Persistent isolated right atrial standstill associated with left atrial tachycardia.

Research in cardiovascular medicine

Mohammad Vahid Jorat, Mohammad Hosein Nikoo, Aida Yousefi

PMID: 25785252 PMCID: PMC4347757 DOI: 10.5812/cardiovascmed.25173

Abstract

INTRODUCTION: Atrial standstill is a rare condition, characterized by absence of atrial electrical and mechanical activity evident in surface electrocardiography echocardiography, or fluoroscopy, which is associated with unresponsiveness of atria to maximal output electrical stimulation. This condition can be present with thromboembolic complication, low cardiac output, and sometimes palpitation.

CASE PRESENTATION: Here we presented a woman with right atrial stand still and left atrial tachycardia. It was confirmed by electrocardiogram, echocardiography, and intracardiac electrogram in basal state and during maximal output electrical stimulation. We treated her by implanting pacemaker to control bradycardia, oral calcium channel blocker to control palpitation episodes, and anticoagulation.

CONCLUSIONS: Atrial standstill can be present partially that can be localized in one atrium and is associated with tachycardia in the other atrium.

Keywords: Atrial Tachycardia; Atrial stand-still; Electrocardiogram

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Publication Types

• Case Reports