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Lymphedema is a buildup of lymph fluid that causes swelling. It can happen if lymph nodes or lymph vessels are removed or damaged.

This test is mainly used to diagnose prostate cancer and see if it has spread. It may also be used to help with a biopsy of prostate tissue.

Dystonia is a condition that causes muscle movements that you can’t control. There are many kinds of dystonia. Focal dystonia means it happens in 1 part of the body. Task-specific means it causes problems with certain tasks, such as writing, playing a musical instrument, or playing a sport.

A heart attack is an urgent message from your heart that it's starved for oxygen. Here are the warning signs to look for--and what you need to do if they occur.

Sometimes problems with the heart's electrical signals lead to a fast heart rhythm. Too many signals may make the heart beat very fast (tachycardia). Or signals may be sent so rapidly and irregularly that the heart muscle sometimes quivers and doesn't beat at all (fibrillation).

When you have loss of sensation, you're more likely to hurt yourself and not know it. Learn how to protect your health and reduce your risk of injury.

Transferring means moving between two surfaces (such as a bed and a wheelchair). Safe transferring is crucial to preventing falls. The type of transfer you will use depends on your overall health and strength. This sheet will describe one type of transfer, using a transfer board.

Non-MRSA staph infections are caused by common bacteria. Learn about how they're spread, as well as prevention, diagnosis, and treatment.

Surgery is a complex process. There's a lot you can do as a patient to help your healthcare team keep you safe. This sheet suggests steps you can take before and after surgery to help make your operation safe and successful.