Michael P. Pignone MD MPH FACP


Cardiac Catheterization and Coronary Angiogram

Cardiac catheterization is a test to check your heart. This test uses a thin flexible tube called a catheter that is inserted into the heart through blood vessels. This test can include a coronary angiogram, which checks blood flow in the coronary arteries. A cardiac catheterization can also check blood flow and blood…

Aortic valve with stenosis

Normal aortic valve. A normal aortic valve opens fully to let blood flow into the aorta. The aortic valve has three flaps that work like a one-way gate. When the heart pumps, the aortic valve opens to allow oxygen-rich blood to flow from the left ventricle into the aorta. When the heart rests between beats, the aortic…

Risks of taking aspirin

Evidence shows that aspirin increases the chance of serious bleeding in the digestive tract. The tables above show the number of people who will have serious bleeding in the next 10 years, arranged by level of bleeding risk. The information shown here is based on the best available evidence.

Cardiac Catheterization and Coronary Angiogram

Cardiac catheterization is a test to check your heart. This test uses a thin flexible tube called a catheter that is inserted into the heart through blood vessels. This test can include a coronary angiogram, which checks blood flow in the coronary arteries. A cardiac catheterization can also check blood flow and blood…