
Heart disease - Symptoms and causes - Mayo Clinic
Aug 13, 2024 · 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 …
How Blood Flows through the Heart - NHLBI, NIH
Jun 25, 2025 · 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 …
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.
Cardiomyopathy - Symptoms and causes - Mayo Clinic
Feb 21, 2024 · 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 …
Heart Failure - What Is Heart Failure? | NHLBI, NIH
Mar 24, 2022 · 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 disease - Diagnosis and treatment - Mayo Clinic
Aug 13, 2024 · Learn about symptoms, causes and treatment of cardiovascular disease, a term describing a wide range of conditions that can affect the heart.
Heart arrhythmia - Symptoms and causes - Mayo Clinic
Oct 13, 2023 · Coronary artery disease, other heart problems and previous heart surgery. Narrowed heart arteries, a heart attack, heart valve disease, prior heart surgery, heart failure, …
Coronary Heart Disease - Risk Factors | NHLBI, NIH
Dec 27, 2024 · Coronary heart disease is the leading cause of death for both men and women in the United States. Men’s risk for coronary heart disease starts to increase significantly around …
Cardiovascular Medicine in Phoenix - Mayo Clinic
Jan 17, 2024 · The cardiology and cardiovascular medicine team at Mayo Clinic in Phoenix, Arizona, specializes in treatment of complex heart and vascular conditions.
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 …