JP drain: The original suction drain. The drain itself is inside the body. It is made of Teflon and has multiple drainage holes. The drain is connected to clear plastic tubing which is usually sutured to the skin at the point it leaves the skin. The tubing connects to a bulb reservoir. The bulb, when squeezed empty, applies constant suction to the drain and pulls the fluid out of the body.
Cardiac Enzyme Studies. Cardiac enzyme studies measure the levels of enzymes and proteins that are linked with injury of the heart muscle. These include the enzyme creatine kinase (CK), and the proteins troponin I (TnI) and troponin T (TnT).
What it is, what it reveals, and how it is part of a heart attack treatment. The cardiac enzyme test allows your doctor to use the predictable pattern of enzyme release after a heart attack to diagnose your condition. If you've been to emergency with a suspected heart attack, or if you are known to have had a heart attack, you will very likely have had these tests. But...