Coronary heart disease is a narrowing of the small blood vessels that supply blood and oxygen to the heart. Coronary heart disease (CHD) is also called coronary artery disease.
The Aortic valve may need to be replaced if the valve has become narrowed or the valve is leaky.
Mitral stenosis is a narrowing of the mitral valve opening. Mitral stenosis restricts blood flow from the left atrium to the left ventricle.
The most common reason people get a pacemaker is their heart beats too slowly (called bradycardia), or it pauses, causing fainting spells or other symptoms.