Cardiac arrest requires immediate emergency care to restore circulation and prevent brain injury. Immediate cardiopulmonary resuscitation (CPR) to manually maintain blood flow to vital organs is essential. Rapid use of an automated external defibrillator (AED) is also critical, as it can deliver an electric shock to reset a dangerously abnormal heart rhythm. Emergency medical teams may also administer medications and provide advanced airway support. Survival depends heavily on how quickly these interventions begin, making early recognition and rapid response essential.
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