
About Heart Disease | Heart Disease | CDC
May 15, 2024 · High blood pressure, high blood cholesterol, and smoking are key risk factors. 1 out of every 5 deaths in the United States are due to heart disease. What is heart disease? The term "heart …
Heart - Wikipedia
Cardiac muscle tissue has autorhythmicity, the unique ability to initiate a cardiac action potential at a fixed rate—spreading the impulse rapidly from cell to cell to trigger the contraction of the entire heart.
Heart disease - Symptoms and causes - Mayo Clinic
Aug 13, 2024 · 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 …
American Heart Association | To be a relentless force for a world of ...
6 days ago · Heart Walk is the American Heart Association's premiere event for raising funds to help save lives from heart disease and stroke. Donate today to help end heart disease and stroke for …
Heart Disease: Symptoms, Causes & Treatment - Cleveland Clinic
Sep 19, 2025 · Heart disease can lead to a heart attack, heart failure, cardiac arrest, stroke and organ damage. Healthy habits, medicines and procedures can prevent or treat CAD and other heart diseases.
Home - American College of Cardiology
Find your community, build your network and impact cardiology with peers matching your specialty, interest area or career stage. Earn the ultimate recognition. Fellowship identifies you to peers and …
How the Normal Heart Works | Children's Hospital of Philadelphia
Read a description from the Cardiac Center at CHOP of how the normal heart works and get a basic understanding of its structure and function. The heart is a large muscular organ with the very …
Heart | Structure, Function, Diagram, Anatomy, & Facts | Britannica
Dec 6, 2025 · heart, organ that serves as a pump to circulate the blood. It may be a straight tube, as in spiders and annelid worms, or a somewhat more elaborate structure with one or more receiving …
Heart Disease | MedlinePlus
Mar 20, 2025 · Heart disease is a general term that includes many types of heart problems. It's a type of cardiovascular disease, which means heart and blood vessel disease. Heart disease is the leading …
CARDIAC Definition & Meaning - Merriam-Webster
The meaning of CARDIAC is of, relating to, situated near, or acting on the heart. How to use cardiac in a sentence.