What is CK-MB and troponin?
CK and CK-MB were once the primary tests ordered to detect and monitor heart attacks, but they have now been largely replaced by the troponin test, which is more specific for damage to the heart. Sometimes, the CK test may be used if a heart attack is suspected and a troponin test is not available.
What are CK-MB and cardiac troponin T used to check for?
The cardiac subtype of troponin T is especially useful in the laboratory diagnosis of heart attack because it is released into the blood-stream when damage to heart muscle occurs. CK-MB and troponin levels both rise at 3-6 hours after the start of chest pain. They have nearly the same specificity.
What is CK-MB cardiac marker?
The CPK-MB test (creatine phosphokinase-MB), also known as CK-MB test, is a cardiac marker used to assist diagnoses of an acute myocardial infarction, myocardial ischemia, or myocarditis.
What are normal lab values for CK-MB and troponin I?
Cardiac Injury Markers
| Current Assay (Dade Behring/Opus Plus) | |
|---|---|
| Myoglobin | Normal < 82 ng/ml |
| CK-MB | Normal < 5.0 ng/ml |
| Troponin-I | Detection Limit = 0.5 ng/ml Abnormal > 2.0 ng/ml Borderline – Not detected Not flagged abn = 0.8 – 2.0 ng/ml Flagged abn > 2.0 ng/ml |
What is CPK MB normal range?
CPK blood tests the different forms of CPK in the bloodstream and the CPK normal range varies from a male to female. The CPK normal range for a male is between 39 – 308 U/L, while in females the CPK normal range is between 26 – 192 U/L.
Why CPK test is done?
Diagnose heart attack. Evaluate cause of chest pain. Determine if or how badly a muscle is damaged. Detect dermatomyositis, polymyositis, and other muscle diseases.
What happens if CPK MB is high?
If you have higher than normal CK-MB enzymes, it may mean you have an inflammation of the heart muscle or are having or recently had a heart attack. If you have higher than normal CK-BB enzymes, it may mean you have had a stroke or brain injury.
What is a normal CPK?
Normal Results Total CPK normal values: 10 to 120 micrograms per liter (mcg/L)
What is a high CPK number?
When the total CPK level is very high, it most often means there has been injury or stress to muscle tissue, the heart, or the brain. Muscle tissue injury is most likely. When a muscle is damaged, CPK leaks into the bloodstream. Finding which specific form of CPK is high helps determine which tissue has been damaged.
What is a good CPK level?
In general, the higher the Cpk, the better. A Cpk value less than 1.0 is considered poor and the process is not capable. A value between 1.0 and 1.33 is considered barely capable, and a value greater than 1.33 is considered capable. But, you should aim for a Cpk value of 2.00 or higher where possible.