Deep inside the head is the inner ear, which contains 3 small, fluid-filled structures called the semicircular canals (ducts). Each duct has a swelling at the end called the ampulla. Within the ampulla| medlineplus.gov
An electrocardiogram (ECG) is a test that records the electrical activity of the heart.| medlineplus.gov
Electronystagmography is a test that looks at eye movements to see how well nerves in the brain are working. These nerves are:| medlineplus.gov
Vertigo is a sensation of motion or spinning that is often described as dizziness.| medlineplus.gov
Benign positional vertigo is the most common type of vertigo. Vertigo is the feeling that you are spinning or that everything is spinning around you. It may occur when you move your head in a certain position.| medlineplus.gov
Labyrinthitis is irritation and swelling of the inner ear. It can cause vertigo and hearing loss.| medlineplus.gov
Ménière disease is an inner ear disorder that affects balance and hearing.| medlineplus.gov
Low blood sugar is a condition that occurs when the body's blood sugar (glucose) decreases and is too low.| medlineplus.gov
The flu (influenza) is a viral respiratory illness that causes fever, chills, runny nose, body aches, and cough. It spreads easily from person to person. The flu can cause moderate to severe symptoms.| medlineplus.gov
Get the facts on symptoms, causes, and treatments for dizziness. Know how dizziness differs from vertigo, which is feeling that the room is spinning.| medlineplus.gov
Balance problems can be caused by aging, infections, head injury, medications, and other health problems.| medlineplus.gov
