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  1. Dictionary
    cardiac arrest

    noun

    • 1. a sudden, sometimes temporary, cessation of the heart's functioning.

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  2. www.heart.org › en › health-topicsWhat is Cardiac Arrest? | American Heart Association

    Nov 9, 2023 · Cardiac arrest is the abrupt loss of heart function in a person who may or may not have been diagnosed with heart disease. It can come on suddenly or in the wake of other symptoms. Cardiac arrest is often fatal if appropriate steps aren’t taken immediately. More than 436,000 cardiac arrest deaths occur each year in the U.S.

  3. www.nhlbi.nih.gov › health › cardiac-arrestCardiac Arrest - What Is Cardiac Arrest? | NHLBI, NIH

    May 19, 2022 · Cardiac arrest occurs when the heart suddenly and unexpectedly stops pumping. If this happens, blood stops flowing to the brain and other vital organs. Cardiac arrests are caused by certain types of arrhythmias that prevent the heart from pumping blood. Cardiac arrest is a medical emergency.

  4. www.mayoclinic.org › diseases-conditions › sudden-cardiac-arrestSudden cardiac arrest - Symptoms and causes - Mayo Clinic

    Jan 19, 2023 · Sudden cardiac arrest may occur if the heart arteries become clogged with cholesterol and other deposits, reducing blood flow to the heart. Heart attack. If a heart attack occurs, often as a result of severe coronary artery disease, it can trigger ventricular fibrillation and sudden cardiac arrest. Also, a heart attack can leave scar tissue in ...

  5. en.wikipedia.org › wiki › Cardiac_arrestCardiac arrest - Wikipedia

    Cardiac arrest, also known as sudden cardiac arrest, is when the heart suddenly and unexpectedly stops beating. As a result, blood cannot properly circulate around the body and there is diminished blood flow to the brain and other organs. When the brain does not receive enough blood, this can cause a person to lose consciousness. Coma and persistent vegetative state may result from cardiac arrest.

  6. my.clevelandclinic.org › health › diseasesSudden Cardiac Arrest: Causes & Symptoms - Cleveland Clinic

    Dec 27, 2023 · Cardiac Arrest. Cardiac arrest happens because of an electrical issue that makes your heart stop beating. When your heart stops pumping blood, you become unconscious. Cardiac arrest can be fatal in minutes. This is why bystanders should call for help and start CPR immediately. A person’s chances of survival are best when they get help right away.