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Discusses kidney biopsy (also called percutaneous renal biopsy) done with a long, thin needle to remove a sample of kidney tissue. Covers how it may be done to check for kidney disease or after a kidney transplant. Explains how it's done, risks, and results.
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Laparoscopy (say "lap-uh-ROSS-kuh-pee") is a type of surgery that uses very small cuts in the belly. These cuts are called incisions. The doctor puts a lighted tube (scope) through an incision in your belly. Then the doctor puts special tools...
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Laryngoscopy is an examination that lets your doctor look at the back of your throat, your voice box (larynx), and vocal cords with a scope (laryngoscope). There are two types of laryngoscopy, and each uses different equipment. Indirect...
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Explains liver biopsy, also called percutaneous liver biopsy, a test used to look for liver diseases like hepatitis, cirrhosis, hemochromatosis, and cancer. Covers how to prepare and what to expect. Includes what results mean. Also lists risks.
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Tests for erection problems can help you find out why you can't have or maintain an erection. This problem is called erectile dysfunction, or impotence. It's a common problem. Most erection problems are caused by a mix of blood vessel, nerve, or psychological issues. To find the cause, your doctor...
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An intravenous pyelogram (IVP) is an X-ray test that provides pictures of the kidneys, the bladder, the ureters, and the urethra ( urinary tract). An IVP can show the size, shape, and position of the urinary tract, and it can evaluate the collecting system inside the kidneys. During IVP, a...
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Joint fluid analysis is a test to look at joint fluid under a microscope for problems such as infection, gout, pseudogout, inflammation, or bleeding. The test can help find the cause of joint pain or swelling. Normally, only a small amount of joint fluid is found in a joint. Joint...
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A home lung function test uses a peak flow meter or a home spirometer to monitor and evaluate any breathing problems you may have on a day-to-day basis. A peak flow meter allows you to measure your peak expiratory flow. A home spirometer allows you...
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An antinuclear antibody (ANA) test measures the amount and pattern of antibodies in your blood that work against your own body (autoimmune reaction). The body's immune system normally attacks and destroys foreign substances such as bacteria and...
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Discusses cardiac rehabilitation (rehab), which helps you feel better and reduce risk of future heart problems with exercise and lifestyle changes. Looks at rehab for people who have heart conditions such as heart attack, heart surgery, or heart failure.