Atypical variants of takotsubo cardiomyopathy: mechanistic and clinical implications

Over past decades,takotsubo cardiomyopathy （TTC） has drawn a substantial interest as a unique form of acute and reversible cardiomyopathy that usually emerges in response to adrenergic hyperactivation associated with a variety of emotional and physical triggers.;Even though,this phenomenon is generally characterized by an apical balloning pattern （classical variant）,it might occasionally present with