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Pericardiocentesis is done to find the cause of fluid buildup around the heart and to relieve pressure on the heart. The tissue

Thoracentesis (say "thor-uh-sen-TEE-sis") is a procedure to remove fluid from the space between the lungs and the chest wall. This

Your pulse is the rate at which your heart beats. Your pulse is usually called your heart rate, which is the number of times your

A computed tomography (CT) scan uses X-rays to make detailed pictures of structures inside of the body. During the test, you will

Discusses nuclear scanning test to check way kidney works or its shape and size. Also called a renal scan. Covers use to check for

An arterial blood gases (ABG) test measures the acidity ( pH) and the levels of oxygen and carbon dioxide in the blood from an

A salivary gland scan uses a special camera and a tracer (radioactive chemical) to take pictures of the salivary glands. This can

Discusses why and how skin biopsies are done. Covers preparing for surgery and post-surgery risks. Explains how to interpret

A spinal tap (also called a lumbar puncture) is a procedure to collect and look at the fluid ( cerebrospinal fluid, or CSF) that

Covers exercise stress test, also called treadmill test or exercise EKG. Explains why it's done, such as finding cause of angina