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A urine flow test calculates the speed of urine flow over time. It may be used to check how the bladder and sphincter are working. Here's what you need to know about the test.

Magnetic resonance imaging (MRI) is a test that uses a large magnet, radio signals, and a computer to make images of organs and tissue in the body. In this case, the heart is imaged. MRI may be used instead of a CT scan when organs or soft tissues are being studied.

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.

A muscle biopsy involves removing a small piece of tissue to diagnose disease. The tissue is usually removed using a needle.

Ligaments surround a joint to give it support and limit its movement. A torn ligament severely limits knee movement. Surgery is a choice to repair a torn ligament if other treatment does not work.

Bunion surgery is done to reduce the pain and correct the deformity caused by a bunion. A bunion is an enlargement of the bone or tissue around a joint at the base of the big toe or at the base of the little toe. Read on for details about this surgery.

A lumbar puncture (LP) or spinal tap may be done to diagnose or treat a condition.

A myelogram is a diagnostic imaging test generally done by a radiologist. It uses a contrast dye and X-rays or computed tomography to look for problems in the spinal canal. Problems can develop in the spinal cord, nerve roots, and other tissues. This test is also called myelography.

Endovascular coiling is used to block blood flow to an aneurysm.