Assuntos
Fístula Arteriovenosa/etiologia , Trombose Coronária/etiologia , Estenose da Valva Mitral/complicações , Cardiopatia Reumática/complicações , Fístula Arteriovenosa/diagnóstico por imagem , Fístula Arteriovenosa/cirurgia , Angiografia Coronária , Trombose Coronária/diagnóstico por imagem , Trombose Coronária/cirurgia , Ecocardiografia , Feminino , Humanos , Pessoa de Meia-Idade , Estenose da Valva Mitral/diagnóstico por imagem , Estenose da Valva Mitral/cirurgia , Cardiopatia Reumática/diagnóstico por imagem , Cardiopatia Reumática/cirurgiaAssuntos
Angioplastia Coronária com Balão , Aneurisma Coronário/etiologia , Stents Farmacológicos , Aneurisma Coronário/diagnóstico , Aneurisma Coronário/diagnóstico por imagem , Aneurisma Coronário/cirurgia , Angiografia Coronária , Ponte de Artéria Coronária , Eletrocardiografia , Seguimentos , Humanos , Masculino , Pessoa de Meia-Idade , Infarto do Miocárdio/diagnóstico , Estreptoquinase/administração & dosagem , Estreptoquinase/uso terapêutico , Fatores de Tempo , Resultado do TratamentoRESUMO
Acute myocardial ischemia can cause ventricular tachycardia (VT) in patients with structurally normal heart. Contrary to the fact that in patients with chronic myocardial scarring the ventricular tachycardia is monomorphic, in patients with acute ischemia the ventricular tachycardia is polymorphic and is reversible with coronary revascularization.We are reporting a 40 year old male who presented with recurrent syncope due to polymorphic ventricular tachycardia in the context of normal QT interval in baseline ECG and normal left ventricular function without any evidence of myocardial injury. Due to recurrent fatal ventricular arrhythmia despite medical management, urgent coronary angiography was done which showed critical obstruction of right coronary artery (RCA). Considering the critical obstruction of RCA responsible for polymorphic VT, emergency PCI of RCA was done. After successful PTCA and stenting to RCA, he had another episode of polymorphic VT which was terminated with intravenous phenytoin. Seven days after the PCI, 24 hours Holter monitoring was done which showed normal sinus rhythm with infrequent ventricular premature complexes and no evidence of VT. He was asymptomatic at six months follow-up.
