Test Name: CK-MB
Formal Name: Creatine Kinase-MB
Other Names: CK-MB, CK-MB Test, Creatine Kinase-MB, CK-MB
Elevated CK-MB (relative index >2.5) indicates heart muscle damage. High total CK with normal CK-MB suggests skeletal muscle injury.
Why Test: Diagnose heart attack (Myocardial Infarction).
When to Test: Chest pain, suspected heart attack.
Q: Is Troponin better? A: Yes, Troponin is more sensitive and specific.