Cardiac arrest is a sudden, unexpected loss of heart function, breathing, and consciousness. It occurs when the heart's electrical system malfunctions, causing it to stop pumping blood effectively.

This can be due to various reasons, including heart disease, heart attack, severe trauma, drowning, drug overdose, or other medical conditions. Without immediate treatment, cardiac arrest is fatal within minutes.

Symptoms of cardiac arrest include sudden collapse, loss of consciousness, and cessation of normal breathing. Prompt recognition and intervention are crucial for survival.

Cardiopulmonary resuscitation (CPR) and defibrillation, using an automated external defibrillator (AED), are essential first aid measures to restore circulation and prevent brain damage until advanced medical care arrives. Survival rates depend on several factors, including the cause of cardiac arrest, the availability of immediate medical care, and the effectiveness of bystander interventions.

Despite advancements in medical technology, cardiac arrest remains a leading cause of death globally. Public awareness, education, and access to CPR training and AEDs are critical in improving survival rates and reducing the burden of cardiac arrest on society.

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