- Heart disease - Symptoms and causes - Mayo Clinic
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 disease This buildup is called plaque
- 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
- 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
- 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 Failure - What Is Heart Failure? | NHLBI, NIH
Heart failure is a condition that occurs when your heart can't pump enough blood for your body's needs Learn about the symptoms, causes, risk factors, and treatments for heart failure
- How the Heart Works - 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
- Heart arrhythmia - Symptoms and causes - Mayo Clinic
Coronary artery disease, other heart problems and previous heart surgery Narrowed heart arteries, a heart attack, heart valve disease, prior heart surgery, heart failure, cardiomyopathy and other heart damage are risk factors for almost any kind of arrhythmia
- Heart disease - Diagnosis and treatment - Mayo Clinic
Learn about symptoms, causes and treatment of cardiovascular disease, a term describing a wide range of conditions that can affect the heart
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