Atrial Standstill as a Probable Cause of Stroke in A Young Female Patient; A Case Report

AUTHORS

Seyed Hamed Banihashem Rad ORCID 1 , Ali Reza Heidari-Bakavoli ORCID 1 , *

1 Vascular and Endovascular Surgery Research Center, Mashhad University of Medical Sciences, Mashhad, IR Iran

How to Cite: Banihashem Rad S H, Heidari-Bakavoli A R . Atrial Standstill as a Probable Cause of Stroke in A Young Female Patient; A Case Report, Int Cardio Res J. 2020 ; 14(4):e105732.

ARTICLE INFORMATION

International Cardiovascular Research Journal: 14 (4); e105732
Published Online: December 15, 2020
Article Type: Case Report
Received: May 23, 2020
Accepted: July 14, 2020
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Abstract

Introduction: Atrial standstill is a rare cardiac arrhythmia, which may present with
different clinical symptoms, including longstanding dyspnea, congestive heart failure,
syncope, cerebrovascular accidents, and even sudden cardiac death. According to such
various presentations, diagnosis of atrial standstill may be complicated despite a high
level of suspicion.
Case Presentation: The present report demonstrated a case of bilateral idiopathic
atrial standstill in a young female patient. The initial presentation of the disorder was
the prolonged history of dyspnea and reduced effort tolerance, which was complicated
by an episode of ischemic stroke two years ago. The patient was discharged with oral
anticoagulants and anti-convulsants, but she had discontinued medication arbitrarily
and was diagnosed in an electrophysiological study prior to pacemaker placement
because of the junctional rhythm and premature ventricular beats. She was finally
diagnosed as a case of biatrial standstill, which was characterized by the absence of
electrical and mechanical activity in both atrias. Single-chamber permanent pacemaker
was successfully implanted and she was discharged with oral anticoagulants and was
recommended for further evaluation for idiopathic or familial cardiomyopathy.
Conclusions: Atrial standstill could present in a silent manner as longstanding dyspnea
and reduced effort tolerance, and remain misdiagnosed even after the development of
cerebral ischemia in the absence of a high level of suspicion. These patients are eligible to
receive oral anticoagulants life-long, and implanting PPM is almost indicated.

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