Category: P

A test done to measure bone density, now done to check for osteoporosis.  

An intermediate product of phenylalanine metabolism; present in the urine in certain metabolic diseases of the newborn.  

A dye used in kidney function tests. Urine levels are measured at regular intervals after injection of 6 mg, to test the excretory capacity of the kidney tubules. Rate of excretion is decreased in kidney and some urinary tract diseases, increased in some liver diseases. A red dye administered by injection in a test for…

A measure of disinfectant activity of a given chemical in relation to carbolic acid (phenol).  

Identification of bacteria by testing their susceptibility to bacterial viruses. One approach to differentiate between various types of bacterial species, or strains within a species, involves evaluating their responses to a set of carefully selected phages.  

Enlarged lymph nodes often seen in people with HIV (AIDS virus) infection.  

An X-ray of the arteries and veins in the peripheral parts of the body, such as the arms and legs, following injection of contrast medium into the vein.  

Transmission of an infection by a pregnant woman to her fetus before birth, while giving birth, or within a short time after birth. The transmission of an infectious illness from mother to infant during childbirth.  

The fluid contained in the membranous sac surrounding the heart. In certain diseases, the amount of fluid may increase and press on the heart.  

A procedure done to dilate narrowed areas in the heart’s major blood vessels. A small, balloon-tipped catheter is passed into the obstructed vessel, and the balloon is inflated to widen the vessel’s diameter. A treatment for a stenosed (restricted) coronary artery. A balloon-tipped catheter is passed through an incision in the skin of the chest…