Takotsubo cardiomyopathy and electroconvulsive treatments: a case study and review.

A 90-year-old woman who had received more than 100 electroconvulsive treatments (ECT) over many years requested another course for depression. After the third ECT, an electrocardiogram showed new T-wave inversion (V2-V6) and ST elevation (V2). Catheterization revealed severe left ventricular dysfunction but no coronary obstruction, leading to a diagnosis of Takotsubo cardiomyopathy (stress-related). The patient's recovery was uneventful. Recent literature cites three other cases post-ECT. It appears that elderly women are at greatest risk, repeated stress is generally required, and recovery is achieved quickly. Elevated levels of catecholamines and of vasopressin may be implicated.