- See:
Laboratory Menu:
- CPK:
-
normal values:
- men: less than 174 Units/liter
- women: less than 140 Units/liter
- isoenzymes: MM 100%, MB (cardiac) and BB (brain) normally comprise 0%;
-
abnormal values:
-
myocardial infarct
- CPK levels begin to rise 4-6 hours after MI has started and reaches its peack values within 30 hrs;
- look for an elevation of the CPK MB isoenzymes at 4-6 hours (in MI the CPK MB is more than 5% of total CPK);
- post surgical elevation: there will be an elevation of the CPK level, but the CPK MB percentage should be close to 0;
-
polymyositis
- Troponin I and T:
- these are cardiac specific muscle proteins which are elevated with cardiac muscle damage;
- references:
- Emergency room triage of patients with acute chest pain by means of rapid testing for cardiac troponin T or I.
CW Hamm MD et al. New England Journal of Medicine. Dec 4. 1997 p 1648.
- A proposed strategy for utilization of creatinine kinase MB and Troponin I in the evaluation of acute chest pain.
CA Polanczyk MD et al. Am. J. Cardiology Vol 83. 1999. p 1175-1179.
Serum CPK and LDH after anterior approaches to the thoracic and lumbar spine.
Serum CK-MB is useful in diagnosis of acute myocardial infarction after total hip arthroplasty.
Cardiac isoenzyme values after total joint arthroplasty.
Creatine kinase MB in skeletal muscle and serum of spine-fusion patients.
Perioperative creatine phosphokinase (CPK) and troponin I trends after elective hip surgery.
