A 72 year old male patient with diabetus, hypertension, and COPD was admitted to our
hospital due to cardiac arrest. Electrocardiography revealed ST elevation wave in
leads II, III, aVF, V1, V2, and V3, and echocardiography revealed right ventricular
apical ballooning with hyperkinetic left ventricle. Emergent coronary angiography
showed intact coronary. Echocardiography revealed completely normalized right ventricle
a week later after admission. We diagnosed isolated right ventricular takotsubo cardiomyopathy
induced by a physical stress of worsening COPD because the patient showed CO2 narcosis
on admission. Isolated right ventricular takotsubo cardiomypathy is quite rare compared
with left ventricular or biventricular takotsubo cardiomyopathy. Moreover, cardiac
arrest caused by isolated right ventricular takotsubo cardiomyopathy has not been
reported.
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