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How the Heart Works - What the Heart Looks Like | NHLBI, NIH
Heart inflammation is inflammation in one or more of the layers of tissue in the heart, including the pericardium, myocardium, or endocardium. This can lead to serious complications, including heart failure, cardiogenic shock, or irregular heart rhythm.
Heart disease - Symptoms and causes - Mayo Clinic
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 the major blood vessels that supply the heart muscle. A buildup of fats, cholesterol and other substances in and on the artery walls usually causes coronary artery ...
How the Heart Works - How the Heart Beats | NHLBI, NIH
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 attack - Symptoms & causes - Mayo Clinic
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 plaque ruptures, a blood clot can form. The clot can block arteries, causing a heart attack. During a heart attack, a lack of blood flow causes the tissue in the heart muscle to die.
How the Heart Works - The Heart | NHLBI, NIH
The heart is an organ about the size of your fist that pumps blood through your body. It is made up of multiple layers of tissue. Your heart is at the center of your circulatory system. This system is a network of blood vessels, such as arteries, veins, and capillaries, that carries blood to and from all areas of your body. Your blood carries the oxygen and nutrients that your organs need to ...
Cardiomyopathy - Symptoms and causes - Mayo Clinic
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 symptoms of heart failure. Cardiomyopathy also can lead to some other serious heart conditions. There are various types of cardiomyopathy. The main types include dilated, hypertrophic and restrictive ...
Strategies to prevent heart disease
Heart disease is a leading cause of death. You can't change some risk factors for it, such as family history, sex assigned at birth or age. But you can take plenty of other steps to lower your risk of heart disease. One of the best things you can do for your heart is to stop smoking or using ...
Heart and Vascular Diseases - NHLBI, NIH
Heart and vascular, or cardiovascular, diseases include conditions such as arrhythmias, coronary heart disease, heart attack, high blood pressure, congenital heart defects, vascular dementia, and stroke. The National Heart, Lung, and Blood Institute (NHLBI) supports research on the causes, diagnosis, treatment, and prevention of heart and vascular diseases, and the interplay of these diseases ...
Heart rate: What's normal? - Mayo Clinic
A normal resting heart rate for adults ranges from 60 to 100 beats per minute. A heart rate above or below that may signal a health condition.
Heart Smart Basics - What to Know Keeps Yours Healthy
Heart health is the overall well-being of your heart. Heart-healthy living involves understanding your risk factors, making healthy choices, and taking steps to reduce your chances of getting heart disease. Heart disease is a catchall phrase for a variety of conditions that affect the heart’s structure and function.
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