• Heart Attack

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    Heart Attack

    A heart attack occurs when blood flow to the heart muscle is interrupted. Oxygen cannot get to the heart muscle, causing tissue damage or tissue death.

    A heart attack may be caused by:

    • Thickening of the walls of the arteries feeding the heart muscle (coronary arteries)
    • Build up of fatty plaques in the coronary arteries
    • Narrowing of the coronary arteries
    • Spasm of the coronary arteries
    • Development of a blood clot in the coronary arteries
    • Embolism that affects the coronary arteries

    The risk of heart attack is greater in males and older adults.

    Factors that may increase your chance of developing a heart attack include:

    Symptoms include:

    • Squeezing, heavy chest pain behind breastbone, especially with:
    • Exercise or exertion
    • Emotional stress
    • Cold weather
    • A large meal
    • Usually comes on quickly
    • Pain in the left shoulder, left arm, or jaw
    • Shortness of breath
    • Sweating, clammy skin
    • Nausea
    • Weakness
    • Loss of consciousness
    • Anxiety, especially feeling a sense of doom or panic without apparent reason

    Unusual symptoms of heart attack—may occur more frequently in women:

    • Stomach pain
    • Back and shoulder pain
    • Confusion
    • Fainting


    If you think you are having a heart attack, call for emergency medical services right away.


    Your bodily fluids may be tested. This can be done with:

    • Blood tests—To look for certain enzymes found in the blood within hours or days after a heart attack
    • Urine tests—To look for certain substances found in the urine within hours or days after a heart attack

    Your heart function may be tested. This can be done with:

    • Electrocardiogram (EKG) —to look for evidence of blockage or damage
    • Echocardiogram —to examine the size, shape, function, and motion of the heart
    • Stress test —Records the heart’s electrical activity under increased physical stress, usually done days or weeks after the heart attack

    Images may be taken. This can be done with:

    • Nuclear scanning—show areas of the heart muscle where there is diminished blood flow
    • Electron-beam computed tomography (EBCT)—to make detailed pictures of the heart, coronary arteries, and surrounding structures
    • Coronary angiography —To look for narrowing or blockage in the coronary arteries


    Treatment includes:

    • Aspirin
    • Oxygen
    • Pain-relieving medication
    • Nitrate medications
    • Other antiplatelet agents
    • Beta-blockers and/or angiotensin-converting enzyme (ACE) inhibitor medications
    • Anti-anxiety medication
    • Cholesterol-lowering medications such as statin drugs

    Within the first six hours after a heart attack, you may be given medications to break up blood clots in the coronary arteries.


    If you have severe blockages you may need surgery right away or after recovery, such as:

    Physical or Rehabilitative Therapy

    During recovery, you may need physical or rehabilitative therapy to help you regain your strength.

    Treatment for Depression  

    You may feel depressed after having a heart attack. Therapy and medication can help relieve depression.

    Preventing or treating coronary artery disease may help prevent a heart attack.

    • Although most people are able to tolerate such a low dose of aspirin, even this small amount can rarely lead to serious bleeding, particularly from the gastrointestinal (GI) tract.

    Aspirin may not work as well when combined with other pain medications.

    By Rosalyn Carson-DeWitt, MD

    Compliments of Cape Cod Healthcare

    Copyright EBSCO Information Services

    EBSCO Information Services is fully accredited by URAC. URAC is an independent, nonprofit health care accrediting organization dedicated to promoting health care quality through accreditation, certification and commendation.

    This content is reviewed regularly and is updated when new and relevant evidence is made available. This information is neither intended nor implied to be a substitute for professional medical advice. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with questions regarding a medical condition

    January 13, 2015