blood levels of CK become elevated. For example, when a person experiences a heart attack, CK levels spike due to damage and death of the cells of the heart. This is why CK tests can help diagnose ...

troponin elevation is much more sensitive than myoglobin and even creatine kinase. Creatine kinase ― also known as creatine phosphokinase, or CPK ― is a muscle enzyme that exists as isoenzymes.