From, Aaron M Are some false-positive stress echocardiograms a forme fruste variety of apical ballooning syndrome? [electronic resource] - The American journal of cardiology May 2009 - 1434-8 p. digital Publication Type: Journal Article ISSN: 1879-1913 Standard No.: 10.1016/j.amjcard.2009.01.352 doi Subjects--Topical Terms: Coronary AngiographyEchocardiography, StressFalse Positive ReactionsFemaleHumansMaleMiddle AgedPostmenopauseProspective StudiesRisk FactorsTakotsubo Cardiomyopathy--diagnostic imaging