This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NEET 2018, Subject name: Pathology
Stunning of myocardium without any acute coronary syndrome is:- 
Select and explain. 
A. Subendocardial infarction, B. Restrictive cardiomyopathy, C. Takotsubo cardiomyopathy, D. Transmural infarction
C: Takotsubo cardiomyopathy
Answer: C: Takotsubo cardiomyopathy 
Explanation: A/k as broken hea syndrome High degree of emotional stress Increase catecholamines Coronary aery vasospasm | Ischemic dilatedcardiomyopathy M/E: Acute stage a necrosis + contraction band necrosis - Histologically, acute cases may show microscopic areas of necrosis characterized by myocyte hypercontraction (contraction band necrosis); subacute and chronic cases may exhibit microscopic foci of granulation tissue and/or scar. - Elevated levels of catechols also increase hea rate and myocardial contractility, exacerbating ischemia caused by the vasospasm. The outcome of such vasospasm can be sudden cardiac death (usually caused by a fatal arrhythmia) or an ischemic dilated cardiomyopathy, so-called takotsubo