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An aneurysm is a weak spot in the wall of a blood vessel. Aneurysms cause the wall of the blood vessel to push out or bulge. If the bulge stretches too far, the blood vessel may leak or tear (rupture).

Angina is a feeling of tightness, squeezing, or discomfort in your chest. It happens when the heart does not get enough oxygen-rich blood.

Angiograms are X-ray pictures of blood vessels. Your primary healthcare provider will put a very thin, flexible tube called a catheter into a blood vessel. A contrast dye may be used to see the blood vessels more clearly. The dye can be seen on X-rays and helps your primary healthcare provider check the inside of...

Angioplasty is a procedure for stretching open a blocked artery using a thin catheter with a balloon at the end. A metal mesh device called a stent is usually left in the artery to help keep the blood vessel open.

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An ankle fracture is a break or crack in one or more of the bones that make up the ankle joint. These bones are the tibia, fibula, and talus.

An ankle sprain is an injury to one or more ligaments in your ankle. Ligaments are strong bands of tissue that connect one bone to another to form the joints. Your ankle has many bones, muscles and ligaments that attach your foot to your leg. When a ligament is injured, it can be stretched, partially...

Anorexia nervosa is an eating problem that occurs when you are so afraid of becoming overweight that you eat as little as possible. If you have this disorder, you see yourself as being overweight when you are not.

Anorexia nervosa is an eating problem that causes you to see yourself as being overweight when you are not. You are so afraid of becoming overweight that you eat as little as possible.

Antacids are medicines that lower the amount of acid in your stomach or block the effect of the acid. They are used to treat heartburn, a sour taste in your mouth, indigestion, and stomach ulcers. There are many different forms of antacids.