Six minutes is the maximum amount of time you have to save someone's life after they suffer cardiac arrest.
That means that it's extremely important to know and understand the threat of cardiac arrest, says a letter in the February issue of the Harvard Heart Letter.
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You can save a life
Recognising the signs of cardiac arrest may quicken response time and help save a life. A person who suffers a cardiac arrest faints or collapses suddenly, or stops breathing, or has no pulse, or may have twitching muscles.
The Harvard Heart Letter recommends you call emergency services immediately if you suspect someone has suffered cardiac arrest. The next step is to administer CPR, which will keep blood flowing to the brain and the rest of the body.
It's also recommended that you ask a bystander to find out if there is a nearby automated external defibrillator, which can shock the heart back into a normal, steady rhythm. These devices are available in some public locations, such as airports, and some people have them in their homes. - (HealthDayNews)
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