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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

A testicular biopsy is a test to remove a small sample of tissue from one or both testicles. The tissue is then looked at under a

Testicular exam and testicular self-exam are two ways to find lumps or other problems in the testicles. The two testicles, or

A cardiac perfusion scan measures the amount of blood in your heart muscle at rest and after it has been stressed. It is often