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Breathing is an essential part of life. But for those with chronic lung diseases, breathing may become an ongoing concern. If you experience breathing problems from asthma, chronic bronchitis, chronic...

The components of phase 2 of cardiac rehabilitation are: Core components  Baseline patient assessment Exercise training Nutritional counseling Physical activity counseling P...

Heart rhythm problems, or heart arrhythmias, occur when the electrical impulses that coordinate your heartbeats don't work properly, causing your heart to beat too fast, too slow or irregularly. Hear...

Aortic valve disease is a condition where the valve between the main pumping chamber of your heart and the main artery to your body, the aorta, doesn't work properly. Aortic valve disease may be a con...

Peripheral artery disease, also called peripheral arterial disease, is a common circulatory problem where narrowed arteries reduce blood flow to your limbs. When you develop peripheral artery disease...

Coronary artery disease develops when the major blood vessels ― the coronary arteries ― that supply your heart with blood, oxygen and nutrients become damaged or diseased. Cholesterol-containing depos...

Congenital heart disease is one or more problems with the heart's structure that you're born with. Congenital heart disease, also called congenital heart defect, can change the way blood flows through...

In heart valve disease, also known as valvular heart disease, one or more of the valves in your heart doesn't work properly. Your heart has four valves that keep blood flowing in the correct directio...

Heart failure, sometimes known as congestive heart failure, occurs when your heart muscle doesn't pump blood as well as it should. Certain conditions, such as narrowed arteries or high blood pressure,...

Electrophysiology (EP) is a specialized field of cardiology focusing on diagnosing and treating heart rhythm disturbances. During an EP study, electrodes are guided through blood vessels to your heart...