Skip to content

Heart Disease Health Center

Font Size

Coronary Artery Disease - What Happens

Coronary artery disease most often begins when the inside walls of the coronary arteries are damaged because of another health problem, such as high cholesterol, high blood pressure, diabetes, or smoking. This damage can lead to atherosclerosis, or hardening of the arteries.

If your heart disease gets worse, your arteries will narrow, and less blood will flow to your heart. You may start to have angina symptoms, such as chest pain or discomfort when you exercise or feel stressed. This is called stable angina.

Recommended Related to Heart Disease

Heart Attacks Hit Middle-Aged Women

"I never thought it could happen to me." That's how Rose Rench reacted when doctors told her she was having a heart attack. At age 46, Rench was bewildered when she suddenly couldn't catch her breath while out for a walk on a sunny spring day. "I was young, I was 130 pounds, and I'd quit smoking a month before. I was healthy. But I couldn't breathe." Rench tells WebMD that she somehow drove herself home, but couldn't rest; her mind raced as she tried to gasp for breath. "I thought maybe I...

Read the Heart Attacks Hit Middle-Aged Women article > >

In some cases, sudden and serious problems can happen. New blockages that form in the arteries of the heart can become unstable. They can suddenly tear and cause blood clots to form. These clots block blood flow to your heart, causing a heart attack or unstable angina.

Complications of heart disease

Over time, you may have other health problems caused by coronary artery disease. Low blood flow can make it harder for your heart to pump. This can lead to heart failure or atrial fibrillation. Atrial fibrillation increases the risk of stroke.

    This information is produced and provided by the National Cancer Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National Cancer Institute via the Internet web site at http:// cancer .gov or call 1-800-4-CANCER.

    WebMD Medical Reference from Healthwise

    Last Updated: March 12, 2014
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
    1
    Next Article:

    Today on WebMD

    x-ray of human heart
    A visual guide.
    atrial fibrillation
    Symptoms and causes.
     
    heart rate graph
    10 things to never do.
    heart rate
    Get the facts.
     
    empty football helmet
    Article
    red wine
    Video
     
    eating blueberries
    Article
    Simple Steps to Lower Cholesterol
    Slideshow
     
    Inside A Heart Attack
    SLIDESHOW
    Omega 3 Sources
    SLIDESHOW
     
    Salt Shockers
    SLIDESHOW
    lowering blood pressure
    SLIDESHOW