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A positron emission tomography (PET) scan is a type of nuclear medicine imaging test. It is used to examine various body tissues to identify certain conditions by looking at blood flow, metabolism, and oxygen use. PET scans may also be used to see how well the treatment of certain diseases is working.

A nerve conduction velocity test measures how fast electrical impulses move through your nerves. The test is used to identify nerve damage.

Evoked potentials studies measure electrical activity in the brain in response to stimulation of sight, sound, or touch.

Treatment for hepatitis C virus (HCV) helps most people get over HCV infection. Read on for some helpful things to think about when deciding about treatment.

Your child will be going home with an Unna boot in place. An Unna boot is a dressing and wrap combination that's applied from the foot to the knee. Here's what you need to know about home care.

Using a cane can help you with balance as you regain strength and mobility after surgery, illness, or injury. Many different kinds of canes are available. Read on to learn more.

Your healthcare provider prescribed a cold water therapy device. This device helps reduce pain and swelling and aids recovery. Here's what you need to know about home care.

A peak flow meter measures how fast you can push air out of your lungs. Your peak flow reading may be an early sign that your asthma is getting out of control. Read on to learn the steps for using a peak flow meter.

To use your walker, you need to learn a new way to walk (gait). Read on for helpful tips and illustrations.