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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.

An upper GI endoscopy is a procedure to diagnose and treat problems in your upper GI (gastrointestinal) tract. Read on to learn more about the procedure, including why you might need it, how to get ready for it, and what happens during and after.

Endometrial ablation is a procedure to remove a thin layer of tissue (endometrium) that lines the uterus. It is done to stop or reduce heavy menstrual bleeding. But it is only done on women who do not plan to have any children in the future.

An electrocardiogram (ECG) is one of the simplest and fastest tests used to evaluate the heart. Electrodes (small, plastic patches that stick to the skin) are placed at certain locations on the chest, arms, and legs. When the electrodes are connected to an ECG machine by lead wires, the electrical activity of the heart is measured, interpreted, and printed out.

An endometrial biopsy is a procedure to take a small tissue sample from the lining of the uterus, called the endometrium. Read on to learn what to expect before, during, and after this procedure.

An episiotomy is an incision through the area between your vaginal opening and your anus. This area is called the perineum. This procedure is done to make your vaginal opening larger for childbirth.

Fetal heart rate monitoring measures the heart rate and rhythm of your baby (fetus). This lets your doctor see how your baby is doing.

An echocardiogram is a noninvasive (the skin is not pierced) procedure used to evaluate the heart's function and structures.