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 (CK) test. a blood test used to detect damage to the heart muscle, skeletal muscles, and brain. Serum CK levels are elevated whenever such damage occurs. CK is the main cardiac enzyme studied in patients with heart disease.