The mailbox is a potential threat to the health of the Information store and has been quarantined. There are several types of events for which the Exchange store tags a mailbox as a potential threat: If a thread doing work for that mailbox fails.
Creatine Kinase (CK) Test. This blood test measures an enzyme called creatine kinase (CK) or creatine phosphokinase (CPK). Enzymes are chemicals that help the cells of your body work. Muscle cells make the creatine kinase enzyme. When muscle cells are injured or diseased, enzymes leak out of the cells and enter the bloodstream.
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.