Which amongst the following endothelin is involved in MI?: (A) Endothelin 1, (B) Endothelin 2, (C) Endothelin 3, (D) Endothelin 4
Answer is A. Plasma ET-1 levels are raised after acute myocardial infarction due to coronary vasoconstriction-Myocardial ischemia -Ventricular dysfunction. Endothelin (ET)-1 is a potent coronary vasoconstrictor.