Sensitive and specific marker for MI: (A) CK-MB, (B) Troponin, (C) Myoglobulin, (D) LDH
Answer is B. Cardiac troponin I or T, which are specific, sensitive, and the preferred markers of myocardial necrosis. The MB isoform of creatine kinase (CK-MB) is a less sensitive alternative.Ref: Harrison 19e pg: 1594