Michael P. Pignone MD MPH FACP


Aortic valve regurgitation

In aortic valve regurgitation, the aortic valve does not close completely. The valve lets blood leak back (regurgitate) into the heart. In a normal heart, the aortic valve opens to let oxygen-rich blood flow from the left ventricle into the aorta. The aortic valve closes completely when the heart rests between beats…

Catheter Placement During a Cardiac Catheterization

Cardiac catheterization is done using a thin, soft tube called a catheter. A doctor inserts the catheter into a blood vessel, typically in the groin area, using a special needle. The doctor then slowly guides the catheter through blood vessels toward the heart. The catheter tip is moved into various positions in the…

Aortic Valve Regurgitation

Discusses aortic valve regurgitation. Discusses symptoms and how it is diagnosed. Covers treatment with medicines and aortic valve replacement surgery. Covers lifestyle changes to help the heart work better.

Mitral Valve Prolapse

What is mitral valve prolapse? Your mitral valve controls blood flow on the left side of your heart. The valve opens and closes with each heartbeat. It works like a one-way gate, letting blood flow from your upper heart chamber to your lower chamber. When you have mitral valve prolapse (MVP), the valve closes after…