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Implantable Cardioverter-Defibrillator Implantation in a Patient with Atrial Standstill
Yonsei Medical Journal ; : 156-159, 2009.
Artigo em Inglês | WPRIM | ID: wpr-52277
ABSTRACT
We report a 55-year-old female patient who presented with no P waves but with a wide QRS complex escape rhythm at 44 beats/min and prolonged QTc of 0.55 seconds on ECG. The patient had recurrence of ventricular fibrillations and loss of consciousness, and underwent defibrillation and cardiopulmonary resuscitation (CPR) several times because of cardiac arrest. The transthoracic echocardiography showed dilated cardiomyopathy and enlargement of both atria. The Doppler echocardiography documented the absence of A wave in the tricuspid and mitral valve flow. An electrophysiologic study demonstrated electrical inactivity in the right and left atria. Atrial pacing with maximum output did not capture the atria. These findings together with her electrocardiographic finding indicated atrial standstill. Sudden cardiac death was her first clinical manifestation of ventricular arrhythmia. The patient remained asymptomatic after receiving a single chamber implantable cardioverter-defibrillator (ICD) with VVI pacemaker function.
Assuntos

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Fibrilação Ventricular / Bradicardia / Cardiomiopatia Dilatada / Morte Súbita Cardíaca / Desfibriladores Implantáveis / Eletrocardiografia / Átrios do Coração Limite: Feminino / Humanos Idioma: Inglês Revista: Yonsei Medical Journal Ano de publicação: 2009 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Fibrilação Ventricular / Bradicardia / Cardiomiopatia Dilatada / Morte Súbita Cardíaca / Desfibriladores Implantáveis / Eletrocardiografia / Átrios do Coração Limite: Feminino / Humanos Idioma: Inglês Revista: Yonsei Medical Journal Ano de publicação: 2009 Tipo de documento: Artigo