12 THINGS TO KNOW ABOUT SUDDEN CARDIAC ARREST A FACT SHEET FROM THE SUDDEN CARDIAC ARREST FOUNDATION

1. What is Sudden Cardiac Arrest? Sudden Cardiac Arrest (SCA) is a life-threatening emergency that occurs when the heart unexpectedly stops beating. It strikes seemingly healthy people of all ages, even children and teens. When SCA happens, the person collapses, becomes unresponsive, and is not breathing normally. The person may appear to be gasping, choking or having a seizure. SCA leads to death within minutes if the person does not receive immediate help. Survival depends on the quick actions of people nearby to call 911, start CPR (cardio-pulmonary resuscitation), and use an AED (automated external defibrillator) as soon as possible.

 

2. What causes Sudden Cardiac Arrest? Sudden Cardiac Arrest can result from cardiac causes (abnormalities of the heart muscle or the heart’s electrical system), external causes (drowning, trauma, asphyxia, electrocution, drug overdose, blows to the chest), and other medical causes such as inflammation of the heart muscle due to infection.

 

3. How common is Sudden Cardiac Arrest? Sudden Cardiac Arrest is a leading cause of death in the U.S. It affects more than 356,000 people outside hospitals each year.

 

4. Does Sudden Cardiac Arrest mostly affect the elderly? No. While the average Sudden Cardiac Arrest victim is 60-years-old, SCA affects people of all ages— even children and teens. More than 7,000 youth under the age of 18 experience SCA each year in the U.S.

 

5. Does Sudden Cardiac Arrest mostly affect people with a history of heart problems? No. Sudden Cardiac Arrest is often the first indication of a heart problem.

 

6. Where does Sudden Cardiac Arrest occur? Sudden Cardiac Arrest outside hospitals occurs most often in a home or residence (68.5%), followed by public settings (21%) and nursing homes (10.5%).

 

7. How often is Sudden Cardiac Arrest witnessed? Sudden Cardiac Arrest outside hospitals is witnessed by a layperson in 37% of cases and by an EMS provider in 12% of cases. For 51% of cases, the collapse is not witnessed.

 

8. Who survives Sudden Cardiac Arrest? About one in 10 EMS-treated victims of Sudden Cardiac Arrest survives (10.8%-11.4%). However, February 2018 there are large regional variations in survival to hospital discharge (.8%-22%), which are largely due to bystander intervention with CPR and AEDs.

 

9. Is Sudden Cardiac Arrest the same as a heart attack? No. A heart attack may be compared to a plumbing problem in the heart, while Sudden Cardiac Arrest may be compared to an electrical problem in the heart. When people have heart attacks, they are awake, their hearts are beating, and they are able to communicate. When people have SCA, they are not awake, their hearts are not beating, and they are unable to communicate. Heart attacks can lead to SCA, but there also are many other causes.

 

10. Is there anything a bystander can do to help save a life threatened by Sudden Cardiac Arrest? Yes. The chances of survival from Sudden Cardiac Arrest increase dramatically if the victim receives immediate CPR and treatment with a defibrillator. AEDs—increasingly available in public places and homes—are designed for use by laypersons and provide visual and voice prompts. They will not shock the heart unless shocks are needed to restore a healthy heartbeat.

 

11. Do survivors of cardiac arrest experience any complications? Some survivors of cardiac arrest experience multiple medical problems including impaired consciousness and cognitive deficits. As many as 18% of OHCA survivors have moderate to severe functional impairment at hospital discharge. Functional recovery continues over the first six to 12 months after OHCA in adults.

 

12. What is the impact of Sudden Cardiac Arrest on society? The estimated societal burden of Sudden Cardiac Arrest in the U.S. is 2 million years of potential life lost for males and 1.3 million potential life lost for females, accounting for 40-50% of the years of potential life lost from all cardiac diseases. Among males, estimated deaths attributed to Sudden Cardiac Arrest exceeded all other individual causes of death, including lung cancer, accidents, chronic lower respiratory disease, cerebrovascular disease, diabetes mellitus, prostate cancer, and colorectal cancer.

 

Take Home Message

 

You can save a life. First, be prepared. Learn CPR and how to use an AED. Then, here's what to do if SCA strikes: • Call 9-1-1 and follow dispatcher instructions. • Start CPR. Press hard and fast on the center of the chest at a rate of 100-120 beats per minute. • Use the nearest AED as quickly as possible. For more information, visit http://www.sca-aware.org

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