What is cardiac arrest? A Mayo Clinic heart expert explains
https://newsnetwork.mayoclinic.org/discussion/what-is-cardiac-arrest-a-mayo-clinic-heart-expert-explains/
WEBJul 25, 2023 · Cardiac arrest, or sudden cardiac arrest as it is more formally known, is a medical emergency. It happens when an event, usually an electrical disturbance, quickly and unexpectedly causes your heart to stop working. It's not the same as a heart attack and is called sudden because it seems to happen without warning.
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