John A. McPherson MD FACC FSCAI


Cardiac Catheterization

Discusses test used to check your heart and coronary arteries. Covers reasons cardiac catheterization is done. Looks at how to prepare. Explains how the test is done in the cardiac catheterization laboratory (cath lab) by a cardiologist. Covers risks.

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…

Mitral Valve Regurgitation: Repair or Replace the Valve?

To treat mitral valve regurgitation surgically, the options are to repair or replace the mitral valve. Repair of the heart valve may be recommended if it is likely that the valve can be repaired and that the repair will last a long time. Valve replacement may be recommended if your mitral valve is seriously damaged and…

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.