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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