Ans: A. Takotsubo cardiomyopathyRef Harrison, 18't' ed., pg, 1964* Takotsubo cardiomyopathy, also known as stress cardiomyopathy, is a type of non-ischemic cardiomyopathy in which there is a sudden temporary weakening of the muscular poion of the hea.* This weakening may be triggered by emotional stress, such as the death of a loved one, a break-up, rejection from a paner or constant anxiety. - "Broken hea syndrome".* Stress cardiomyopathy is now a well-recognized cause of acute hea failure, lethal ventricular arrhythmias, and ventricular rupture.