
How the Heart Works - How the Heart Beats | NHLBI, NIH
Jun 25, 2025 · Your heartbeat is the contraction of your heart to pump blood to your lungs and the rest of your body. Your heart's electrical system determines how fast your heart beats.
Heart disease - Symptoms and causes - Mayo Clinic
Aug 13, 2024 · Symptoms Heart disease symptoms depend on the type of heart disease. Symptoms of heart disease in the blood vessels Coronary artery disease is a common heart condition that affects …
Coronary Heart Disease Risk Factors - NHLBI, NIH
Dec 27, 2024 · Your risk of coronary heart disease increases based on the number of risk factors you have and how serious they are. Some risk factors — such as high blood pressure and unhealthy …
What Is Coronary Heart Disease? - NHLBI, NIH
Dec 27, 2024 · Coronary heart disease is a type of heart disease that occurs when the arteries of the heart cannot deliver enough oxygen -rich blood to the heart muscle due to narrowing from the …
Omega-3s for heart health? Exploring potential benefits and risks
Oct 22, 2024 · NHLBI feature article explores the potential benefits and risks of omega-3 supplements, including fish oil, for heart health.
Atrial tachycardia - Symptoms and causes - Mayo Clinic
Atrial tachycardia risk factors include: Heart conditions such as coronary artery disease, heart valve disease and other heart diseases. Heart failure. Heart condition present at birth, called a congenital …
Cardiovascular Medicine - Department home - Mayo Clinic
The Department of Cardiovascular Medicine is one of the largest and most comprehensive heart practices in the world. It includes more than 240 experts in congenital heart disease in adults and …
Heart attack - Symptoms & causes - Mayo Clinic
Oct 9, 2023 · A heart attack occurs when an artery that sends blood and oxygen to the heart is blocked. Fatty, cholesterol-containing deposits build up over time, forming plaques in the heart's arteries. If a …
Cardiomyopathy - Symptoms and causes - Mayo Clinic
Feb 21, 2024 · Overview Cardiomyopathy (kahr-dee-o-my-OP-uh-thee) is a disease of the heart muscle. It causes the heart to have a harder time pumping blood to the rest of the body, which can lead to …
Meet the Framingham Heart Study - NHLBI, NIH
The Framingham Heart Study is a large population and epidemiology study led by the National Heart, Lung, and Blood Institute (NHLBI). The study began over 75 years ago and follows multiple …