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).
Liver enzyme tests, formerly called liver function tests (LFTs), are a group of blood tests that detect inflammation and damage to the liver. They can also check how well the liver is working.Liver enzyme testing includes ALT, AST, alkaline phosphatase; true liver function tests (LFTs) include PT, INR, albumin, and bilirubin.ost often, a liver test panel is ordered as a routine lab test. Many doctors check the liver in new patients or during annual physicals. Your doctor may conduct liver enzyme and liver function tests if: 1  You are taking a medication that can harm the liver.