Sudden cardiac arrest - Search
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  1. A condition where the heart suddenly stops beating, which results from the problem in the electrical distrubance. This is different from a heart attack.
    Condition Highlight
    Urgent medical attention is usually recommended by healthcare providers
    Condition Highlight
    Can be dangerous or life threatening if untreated
    How common is condition?
    Common (More than 200,000 cases per year in US)
    Is condition treatable?
    Treatable by a medical professional
    Does diagnosis require lab test or imaging?
    Often requires lab test or imaging
    Time taken for recovery
    Can last several hours
    Condition Highlight
    Common for ages 60 and older
    Condition Highlight
    More common in males
    Condition Highlight
    Family history may increase likelihood
    See more

    Causes

    Verified Expert

    • The immediate cause is usually abnormal heart rhythm as a result of a problem with the heart's electrical system. If the flow of electrical impulses or sinus node has a defect, arrhythmia (irregular heart rhythm) is seen. Ventricular fibrillation is a type of arrhythmia that is the most common cause of cardiac arrest.
    • Arrhythmias develop in people with conditions such as:
    • Heart attack- often due to coronary artery disease
    • Cardiomyopathy
    • Congenital heart disease
    • Heart rhythm abnormalities
    • Coronary heart disease

    See more

    Symptoms

    Verified Expert
    Seek immediate medical attention if you experience symptoms.

    Cardiac arrest does not show warning symptoms in nearly half the cases. The main symptoms include:

    • Loss of consciousness
    • Collapse/fainting
    • Absence of breathing
    • No pulse
    • Sometimes, chest pain, light-headedness, palpitations or vomiting may be seen before the arrest.

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    Treatment

    Verified Expert

    Cardiac arrest requires immediate medical attention to restore heart beat.

    Medication

    Beta blockers: Drugs used to manage abnormal heart rhythm.

    Atenolol . Metoprolol

    ACE inhibitors: Drugs used to treat hypertension and congestive heart failure.

    Enalapril . Fosinopril

    See more

    Diagnosis

    Verified Expert
    One or more of these tests may be recommended by your medical provider.
    Clinical diagnosis is made when there is an absence of a pulse. The gold standard for diagnosis is a lack of carotid pulse. Additional tests may include to identify the cause.

    Common tests & procedures

    Blood test: Check levels of potassium, magnesium and hormones.

    Hormone test: To check the levels of hormones that may affect the ability of the heart to function.

    Electrocardiogram (ECG or EKG): Detects abnormal electrical patterns and reveals disturbances in heart rhythm.

    Echocardiogram: Produces images of the heart. Done to identify areas of the heart that have been damaged by the heart attack.

    Nuclear stress test: To identify problems related to blood flow to the heart.

    See more
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  2. Sudden cardiac arrest (SCA) is the sudden loss of all heart activity due to an irregular heart rhythm. Breathing stops. The person becomes unconscious. Without immediate treatment, sudden cardiac arrest can lead to death.
    www.mayoclinic.org/diseases-conditions/sudden-cardiac-arrest/symptoms-causes/syc-20350634
    www.mayoclinic.org/diseases-conditions/sudden-cardiac-arrest/symptoms-caus…
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  3. Sudden Cardiac Arrest: Causes & Symptoms - Cleveland Clinic

     
  4. Cardiac Arrest - American Heart Association

    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 …

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  7. What are the symptoms and causes of sudden cardiac arrest?

    Answered by verified global health professionals
    Dr. Nikhil MathurMBBS · 1.5 years of exp

    Cardiopulmonary arrest occurs when the heart stops beating effectively or stops altogether, leading to a cessation of blood flow to the body. This is a life-threatening condition that requires immediate medical attention.Several f... Read more
    Dr.Sangeetha hollaPaediatric resident doctor · 1.7 years of exp

    Cardiopulmonary arrest, or cardiac arrest, occurs when the heart stops beating effectively, leading to a sudden cessation of blood flow to vital organs. It can be caused by heart conditions such as coronary artery disease, heart a... Read more
    Dr. Anuvitha KamathMBBS · 3 years of exp

    The symptoms of sudden cardiac arrest are collapsing, loss of consciousness, absent pulse, no breathing, chest discomfort, weakness, shortness of breath, fast heartbeats, and palpitations. The causes of sudden cardiac arrest are c... Read more
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    4 days ago · Sudden Cardiac Arrest (SCA) – Sudden cardiac arrest is an electrical malfunction that stops the heart from beating properly. When sudden cardiac arrest occurs, the heart’s rhythm becomes erratic, often stopping …

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