Marker-specific for Myocardial infarction:: (A) Troponin I, (B) Troponin C, (C) Troponin T, (D) LDH
Answer is A. The best test for diagnosis of MI is troponin I which can be quantified as a value more than 0.04ng/dl after 3 hours of onset of myocardial infarction.
Remember TROPONIN -I can be false positive in the following cases