Photosynthesis is the process used by plants, algae and certain bacteria to harness energy from sunlight and turn it into chemical energy.
In some cases the test may be used to detect muscle conditions such as polymyositis (condition characterized by the inflammation of muscles) or to estimate the degree of muscle damage. Stroke and other forms of brain damage can also result in an elevated creatine kinase level.
Creatine kinase - Laboratory testing. 1  CK is often determined routinely in a medical laboratory. 2  Creatine kinase in the blood may be high in health and disease. 3  Furthermore, the isoenzyme determination has been used extensively as an indication for myocardial damage in heart attacks. 4  Reference ranges for blood tests.