+**Cardiac Arrest** is the sudden cessation of the [heart](/wiki/heart)'s pumping action. This abrupt stop halts critical [blood flow](/wiki/blood_flow) to the brain and body, leading swiftly to unconsciousness and death without immediate intervention.
+## See also
+- [CPR](/wiki/cpr)
+- [Defibrillation](/wiki/defibrillation)
+- [Arrhythmia](/wiki/arrhythmia)
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