As Myocardial infarction (MI) by definition is the condition arising from cardiac necrosis and cardiac ischemia, hence should be treated differently than condition arising from a myocardial injury. It is very essential to diagnose myocardial infarction on the basis of evidence of necrosis and ischemia substantiated by a biomarker. Even though damage to the Myocardium releases troponin, myocardial ischemia can be differentiated with the help of biomarker dynamics. The use of troponin as biomarker confirms the cardiac ischemia arising from cardiac necrosis.

Whereas, Myocardial injury may be due to other conditions such as the onset of other diseases and it should be factored in. While diagnosis, elevation and drop in the levels of cardiac troponin distinguish myocardial ischemia arising due to cardiac necrosis from myocardial injury. Types of Myocardial Infarctions (MI): Spontaneous…