Question

which of the following ldh isoenzyme is associated with myocardial infarction? ldh - 1 ldh - 2 ldh - 3 ldh - 5

Explanation:

LDH (lactate dehydrogenase) has multiple isoenzymes. LDH - 1 is predominantly found in the heart. When there is myocardial infarction (heart muscle damage), LDH - 1 levels increase. LDH - 2 is more abundant in red blood cells. LDH - 3 is present in various tissues like the lungs. LDH - 5 is mainly in the liver and skeletal muscle.

Answer:

LDH - 1