
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 …
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.
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.
How the Heart Works How Blood Flows through the Heart
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 …
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.
Atrial fibrillation - Symptoms and causes - Mayo Clinic
Oct 3, 2025 · Atrial fibrillation (AFib) is a heart rhythm disorder. In a typical heart, a group of cells called the sinus node sends electrical signals that start each heartbeat. The signals go across …
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, …
Calculate Your BMI | NHLBI, NIH
Body mass index (BMI) is a measure of body fat based on height and weight that applies to adult men and women. Your BMI is just one piece of the puzzle. It’s based on height and weight but …
DASH Eating Plan | NHLBI, NIH
Jan 10, 2025 · The DASH eating plan, also known as the DASH diet, is a flexible and balanced eating plan that helps create a heart-healthy eating pattern for life. Learn more about the …
Ventricular tachycardia - Symptoms and causes - Mayo Clinic
Mar 6, 2024 · Ventricular tachycardia is a type of irregular heartbeat, called an arrhythmia. It starts in the lower chambers of the heart, called the ventricles. This condition also may be called V …