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How Blood Flows through the Heart - NHLBI, NIH Oxygen-poor blood from the body enters your heart through two large veins called the superior and inferior vena cava The blood enters the heart's right atrium and is pumped to your right ventricle, which in turn pumps the blood to your lungs
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
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
Coronary Heart Disease Risk Factors - NHLBI, NIH 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 cholesterol levels can be adjusted through heart-healthy lifestyle changes Other risk factors, such as your age, family history, and race and ethnicity, cannot be changed
Spotlight on UPFs: NIH explores link between ultra . . . - NHLBI, NIH In addition to heart disease, studies have linked UPFs to weight gain, hypertension, type 2 diabetes, chronic obstructive pulmonary disease, cancer, and other problems Studies show that UPFs are also linked to health disparities, as populations with low socioeconomic status tend to eat higher amounts of these foods
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 children, coronary artery disease, hypertrophic cardiomyopathy, heart rhythm disorders, heart valve diseases and many other conditions
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
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
Heart Valve Diseases - Diagnosis | NHLBI, NIH Heart valve conditions can be diagnosed by a healthcare provider based on medical history, present symptoms, and the results of diagnostic tests Learn more about the types of tests and screenings that are used to detect heart valve diseases