How do you  explain  elevated ck?
<answer> The CPK isoenzymes test is a way to measure the levels of this enzyme in your bloodstream. <context> An enzyme called creatine phosphokinase (CPK) is important for muscle function. The CPK isoenzymes test is a way to measure the levels of this enzyme in your bloodstream. CPK can be broken down into three separate parts: CPK-1 is mainly found in your brain and lungs.