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  1. Dr. Luay Sayed, MD - Shelby Township, MI - Cardiology, …

    Find information about and book an appointment with Dr. Luay Sayed, MD in Shelby Township, MI, Warren, MI. Specialties: Cardiology, Interventional Cardiology.

  2. SHELBY, Mi - Cardiology Associates of Michigan - Michigan's Best …

    Aug 14, 2018 · © cardiology associates of michigan. All rights reserved. branding, digital marketing, + website by Basso Design Group.

  3. 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 …

  4. American Heart Association | To be a relentless force for a world …

    2 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 …

  5. 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? …

  6. 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 …

  7. 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 …

  8. Cardiovascular (Heart) Diseases: Types and Treatments - WebMD

    Oct 29, 2024 · Cardiovascular disease is a group of conditions that affect your heart and blood vessels. It's sometimes also called heart disease. Conditions that affect your heart and blood …

  9. Cardiovascular system: Function, organs, conditions, and more

    May 22, 2025 · The cardiac cycle consists of two phases: systole (contraction) and diastole (relaxation). Some conditions that can affect the heart include heart attack, stroke, heart …

  10. Anatomy of the human heart - Wikipedia

    Fibrous skeleton The four cardiac valves are kept in their place partly because of the fibrous skeleton of the heart, which is a collection of connective tissue. It consists of the right fibrous …