From start to finish, your procedure will take about 30-60 minutes. The test may be done in a medical office. Sometimes the procedure is done in a radiology suite with X-rays as a guide.

A lumbar puncture is also called a spinal tap. It may be used to look for problems in your brain, spinal cord, and related structures.

Evoked potential tests measure the electrical activity in the brain as nerve pathways are stimulated.

Your healthcare provider may order evoked potential tests. These check the signals your brain and spinal cord (parts of your nervous system) receive from other parts of your body. They are also used to check for vision, hearing, and sensory or motor problems.

You will be having electromyography (EMG) and nerve conduction studies (NCS) to measure muscle and nerve function. In most cases, both tests are done.

Nerve conduction studies (NCS) and electromyography (EMG) are tests that measure muscle and nerve function. In most cases, both tests are done.

Follow our step-by-step guide to setting up a clean IV worksite.

TPN fluids are given by IV with a pump. Here are some of the basics you need to know about caring for your IV.

You're having surgery to remove part or all of your thyroid. Learn what to expect before, during, and after the procedure.

A ventilator is a machine that helps a person breathe. If someone you care about is on a ventilator, you can find some answers to your questions here.