John A. McPherson MD FACC FSCAI


Catheter placement in femoral vein

For angiography, a thin, soft tube (catheter) is placed in a blood vessel in the groin (such as in the femoral vein). First, a doctor numbs the area with a local anesthetic. Then, a needle is placed into the blood vessel. A guide wire is put through the needle into the blood vessel and the needle is removed. The…

Mitral Valve Repair Surgery (Commissurotomy) for Mitral Valve Stenosis

Commissurotomy is an open-heart surgery that repairs a mitral valve that is narrowed from mitral valve stenosis. During this surgery, a person is put on a heart-lung bypass machine. The surgeon removes calcium deposits and other scar tissue from the valve leaflets. The surgeon may cut parts of the valve structure. This…

Cardiac catheterization laboratory

Courtesy of Intermountain Medical Imaging, Boise, Idaho. All rights reserved. Cardiac catheterization is done in the cardiac catheterization laboratory (“cath lab”) by a cardiologist. Some of the tests and procedures that are done in a cath lab include: Testing for heart disease with an angiogram. Treating heart disease…

Pulmonary Artery

The pulmonary artery carries oxygen-depleted blood from the right side of the heart to the lungs, where it is re-oxygenated. The freshly oxygenated blood then travels to the left side of the heart through the pulmonary vein to be pumped to the rest of the body.

Mitral Valve Replacement Surgery

Mitral valve replacement surgery may be needed for mitral valve regurgitation or mitral valve stenosis. Valve replacement is typically done as an open-heart surgery. Minimally invasive types of surgery may be another option. This document describes open-heart surgery. Before you have valve replacement surgery, you and…