An angiogram is an imaging test that uses X-rays to look at your blood vessels. An abdominal angiogram looks at the blood vessels in your belly (abdomen). Read on to learn why it's done, and what to expect before, during, and after this test.

Abdominal aortic aneurysm (AAA) repair is done to treat an aneurysm. An aneurysm is a bulging, weak spot in the aorta that may be at risk for rupturing. In this case, the aneurysm is in part of the aorta that is in the abdomen.

An abdominal ultrasound is an imaging test used to assess the organs and structures in the belly. Read on to learn what to expect before, during, and after the test.

An abdominal X-ray may be done to check the area for causes of belly pain. It can also be done to find an object that has been swallowed or to look for a blockage or a hole in the intestine. Read on to learn what to expect before, during, and after this imaging test.

Amniocentesis is a procedure used to take out a small sample of the amniotic fluid for testing.

An amputation is the surgical removal of all or part of an arm or leg due to infection or injury.

Angioplasty, also called percutaneous coronary intervention (PCI), is a procedure used to open blocked coronary arteries (caused by coronary artery disease) and restore blood flow to the heart muscle without open-heart surgery.

An antegrade pyelogram is an imaging test to find a blockage (obstruction) in the upper urinary tract. Read on to learn about what to expect before, during, and after this test.

An appendectomy is surgery to remove the appendix when it is infected. This condition is called appendicitis. Appendectomy is a common emergency surgery.

Arthrography is a type of imaging test used to look at a joint, such as the shoulder, knee, or hip. It may be done if standard X-rays do not show the needed details of the joint structure and function.

Arthroplasty is a surgical procedure to restore the function of a joint. A joint can be restored by resurfacing the bones. An artificial joint (called a prosthesis) may also be used.

Arthroscopy is a minimally-invasive procedure used to diagnose and treat conditions affecting joints. The healthcare provider can directly view the internal structures of a joint using an instrument called an arthroscope. An arthroscope is a small, tube shaped instrument that is used to look inside a joint.