Experts say that when a person goes into cardiac arrest, normal heart function may be restored up to 60 percent

of the time if the victim is treated promptly with an automated external defibrillator (AED).

AEDs are computerized electronic devices that can check a person's heart rhythm, recognize a rhythm that

requires a shock, and advise emergency responders when a shock is needed. AEDs use voice prompts, lights,

and text messages to instruct rescuers.

Why are AEDs becoming popular in the workplace? OSHA says that approximately 890 deaths from

coronary heart disease occur outside of the hospital or emergency room every day. Most of these deaths are due

to the sudden cardiac arrest (SCA). And no small number of SCA-related fatalities occur in the workplace.

That's why more and more workplaces are purchasing AEDs to have another vital first-aid tool to protect their

employees on-site. Although costs vary, many models are available for between $1,500 and $2,000.

How do AEDs save lives? SCA occurs when ventricular fibrillation (VF) takes place or when the heart stops

beating altogether. Causes include:

 Heart attack

 Electrocution

 Asphyxiation

Most often cardiac arrest is due to VF, which is defined as the uncoordinated beating of the heart. Normal

rhythm can be restored if treated early with electric shock. The sooner defibrillation is started, the more likely

the victim will survive. Chances of survival from sudden cardiac death diminish by 7—10 percent for each

minute without immediate CPR or defibrillation. Optimum time fro defibrillation is 3 to 5 minutes after the

onset of cardiac arrest. Since it can take longer than that for an ambulance to arrive, having an AED on-site can

be a lifesaver. Of course, even with an AED on hand, an immediate call should be put in to 911 any time an

employee goes into cardiac arrest on the job. Follow-up treatment at a medical facility will be required.

What about training? Employees designated to operate AEDs must be thorough trained in proper operation of

the defibrillator. They should also be certified in CPR. After an AED delivers a shock, it often prompts the

operator to continue CPR while the device continues to analyze and monitor the victim.�

Why It Matters

 Heart disease is the leading cause of death in the United States and is a major cause of disability.

 The most common heart disease in the United States is coronary heart disease, which often appears as a

heart attack.

 In 2010, an estimated 785,000 Americans had a new coronary attack, and about 470,000 had a recurrent

attack.

 About every 25 seconds, an American will have a coronary event, and about one every minute will die

from one.

 OSHA says up to 60 percent of fatalities could be avoided if automated external defibrillators (AEDs)

are immediately available and properly used.