Key result
A 54-year-old woman presented with concomitant acute myocardial infarction and stress cardiomyopathy, suggesting the acute coronary syndrome may have triggered the stress cardiomyopathy.
Case Report (n=1)
This case report highlights the rare simultaneous occurrence of stress cardiomyopathy and acute myocardial infarction, suggesting that an acute coronary syndrome can act as a stressor for takotsubo cardiomyopathy.
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Concomitant stress cardiomyopathy and MI can occur; challenges mutual exclusivity assumption and leaves open refined diagnostic criteria.
Stress cardiomyopathy and myocardial infarction are generally regarded as mutually exclusive diagnoses. We report the case of a 54-year-old woman who presented with acute chest pain. Her echocardiogram and ventriculography were typical of stress cardiomyopathy, but she had one subocclusive coronary lesion, a highly significant rise in troponin and a subendocardial myocardial infarction scar documented on cardiac magnetic resonance. This is a rare case of concomitant myocardial infarction and stress cardiomyopathy, in which the acute coronary syndrome itself may have been the stressor, given the absence of other identifiable causes. A cardiomiopatia de stress e o enfarte agudo do miocárdio são geralmente considerados diagnósticos mutuamente exclusivos. Neste artigo reportamos o caso de uma doente de 54 anos com um quadro clínico de angor inaugural em repouso, cujo ecocardiograma e ventriculografia eram típicos de cardiomiopatia de stress. Não obstante, a coronariografia revelou uma lesão coronária suboclusiva, verificou-se elevação muito significativa de troponina e documentou-se uma cicatriz de enfarte subendocárdico por ressonância magnética cardíaca. Este é um caso raro em que um enfarte agudo do miocárdio e uma cardiomiopatia de stress ocorreram simultaneamente, em que o primeiro poderá ter sido o stressor que despoletou o segundo, dada a ausência de outras causas identificáveis.
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Menezes et al. (2015) conducted a case report in Concomitant stress (takotsubo) cardiomyopathy and acute myocardial infarction (n=1). A 54-year-old woman presented with concomitant acute myocardial infarction and stress cardiomyopathy, suggesting the acute coronary syndrome may have triggered the stress cardiomyopathy.
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