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What is the link? Take Action. Save a Life. Donate now. What to do: Sudden Cardiac Arrest Cardiac arrest is reversible in most victims if it's treated within a few minutes. Calculator What's your risk for a heart or stroke event? Check your risk.
Reduce your risk of sudden cardiac arrest by getting regular checkups, being screened for heart disease and living a heart-healthy lifestyle. Sudden cardiac arrest care at Mayo Clinic. Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission. This content does not have an English version.
This content does not have an Arabic version. Overview Sudden cardiac arrest is the abrupt loss of heart function, breathing and consciousness.
Request an Appointment at Mayo Clinic. Chambers and valves of the heart Open pop-up dialog box Close. Chambers and valves of the heart A typical heart has two upper and two lower chambers. Share on: Facebook Twitter. Show references Jameson JL, et al. Cardiovascular collapse, cardiac arrest, and sudden cardiac death. In: Harrison's Principles of Internal Medicine.
Accessed Nov. Sudden cardiac arrest. National Heart, Lung, and Blood Institute. Podrid PJ. Overview of sudden cardiac arrest and sudden cardiac death. Accessed Oct. Stouffer GA, et al. Sudden cardiac death. In: Netter's Cardiology. Elsevier; CPR steps: Learn how to save a life. National Safety Council. Heart failure. Bonow RO, et al. Cardiac arrest and sudden cardiac death. Heart medications — Under certain conditions, some heart medications can set the stage for arrhythmias that cause sudden cardiac arrest.
Oddly, antiarrhythmic drugs that treat arrhythmias can sometimes produce ventricular arrhythmias even at normal doses. Significant changes in blood levels of potassium and magnesium from using diuretics, for example also can cause life-threatening arrhythmias and cardiac arrest. Electrical abnormalities — These, including Wolff-Parkinson-White syndrome and Long QT syndrome , may cause sudden cardiac arrest in children and young people.
Blood vessel abnormalities — These rare cases occur particularly in the coronary arteries and aorta. Adrenaline released during intense physical activity can trigger sudden cardiac arrest when these abnormalities are present. Recreational drug use — This can occur in otherwise healthy people. Last Reviewed: Jan 29,
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