Creatine Kinase with Isoenzymes (Blood) Does this test have
other names? Creatine kinase, creatine phosphokinase with
isoenzymes, CK, CPK, CK-MM, CK-MB, CK-BB What is this test? This
test is used to find damage to muscles in your body, including
your heart muscle. Creatine kinase (CK) is an enzyme found in
your muscles. Enzymes are proteins that help your body's cells
do their jobs. The level of the CK enzymes rises when you have
damage to muscle cells in your body. The three types of CK are
called isoenzymes. They are: CK-MM, which is found in your
skeletal muscle and heart CK-MB, which is found in the heart and
rises when heart muscle is damaged CK-BB, which is found mostly
in your brain A general creatine kinase test can tell whether
there is damage to your body's muscles. Going a step further,
the creatine kinase with isoenzymes test may help pinpoint where
the damage has taken place. Why do I need this test? You may
need this test if you have: Symptoms of a heart attack, such as
chest pain Muscle weaknes