Myocardial stunning is a condition in which the heart muscle experiences a temporary decrease in contractility, despite adequate blood flow. This phenomenon is most commonly observed after procedures such as coronary artery bypass grafting (CABG), angioplasty, or after a heart attack. The exact mechanisms underlying myocardial stunning are not completely understood, but it is believed to be related to ischemia-reperfusion injury and alterations in myocardial metabolism.

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