释义 |
DictionarySeecardiomyopathyEncyclopediaSeeCardiomyopathytakotsubo cardiomyopathy A non-ischaemic cardiomyopathy most common in post-menopausal women, which is characterised by a sudden temporary weakening of the myocardium triggered by physical or emotional stress—e.g., death of a loved one—hence the alternate term, broken heart syndrome Pathogenesis High serum catecholamines—adrenaline/ epinephrine Diagnosis Negative coronary angiogram Prognosis If the individual survives the initial event, the left ventricular function improves within 2 monthstakotsubo cardiomyopathyReversible dysfunction of the left ventricle. It may be the cause of transient heart failure that occurs after exceptionally stressful events. The heart in such instances takes on a rounded shape with a narrow neck, resembling a traditional Japanese lobster trap (takotsubo). It is informally called broken-heart syndrome. Synonym: apical ballooning syndrome; stress-induced cardiomyopathy; transient left ventricular apical ballooningSee also: cardiomyopathy |