What is Cardiac Arrest?

Cardiac arrest is the sudden and complete loss of heart function, causing the heart to stop pumping blood effectively to the brain, lungs, and other organs, resulting in immediate loss of consciousness and absence of normal breathing. It is distinct from a heart attack, which involves blocked blood flow to the heart muscle itself, though a heart attack can trigger the abnormal heart rhythms that lead to cardiac arrest. Without immediate intervention through cardiopulmonary resuscitation and defibrillation, cardiac arrest is fatal within minutes, as brain damage begins within four to six minutes of the heart stopping. Survival rates depend heavily on how quickly bystander CPR and defibrillation are started, making public awareness and access to automated external defibrillators critically important.

What are the main symptoms of Cardiac Arrest?

The most common symptoms include: sudden collapse; loss of consciousness; absence of normal breathing or only gasping breaths; no detectable pulse. Early recognition is key to prompt diagnosis and effective treatment.

Is Cardiac Arrest contagious?

No, Cardiac Arrest is not contagious. It cannot spread through casual contact. However, certain risk factors and genetic predispositions may increase susceptibility.

How is Cardiac Arrest treated?

Treatment options include: Immediate cardiopulmonary resuscitation; involving chest compressions and rescue breaths; is essential to maintain some blood flow to vital organs until definitive treatment can be provided. Defibrillation. Treatment should always be guided by a qualified Emergency Medicine specialist. Do not self-medicate.

Can Cardiac Arrest be prevented?

While Cardiac Arrest cannot always be fully prevented, several measures can reduce risk: managing cardiovascular risk factors such as high blood pressure; cholesterol; and diabetes.

When should I see a doctor for Cardiac Arrest?

Seek immediate medical attention if you experience symptoms of Cardiac Arrest. This is a serious condition — go to the emergency room or call 112 if symptoms are severe or rapidly worsening.

All Diseases/Cardiac Arrest

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CardiovascularSevere

Cardiac Arrest

Emergency Medicine · Cardiovascular

Severe

Severity

Common — a leading cause of sudden death, affecting hundreds of thousands annually

Prevalence

Contagious

Emergency Medicine

Specialist

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💊Treatment Options

1Immediate cardiopulmonary resuscitation
2involving chest compressions and rescue breaths
3is essential to maintain some blood flow to vital organs until definitive treatment can be provided. Defibrillation
4delivering an electric shock to the heart using an automated external defibrillator
5is used to restore a normal heart rhythm when the underlying rhythm is shockable. Following successful resuscitation
6patients require intensive care
7treatment of the underlying cause such as a blocked coronary artery
8and sometimes implantation of a defibrillator device to prevent future episodes.

More About Cardiac Arrest

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