An estimated 30-percent of hospitalized patients with heart failure don't receive timely and potentially life-saving electrical shocks called defibrillation.
The study found that defibrillators, dramatically improved a person's chances of survival if administered within two minutes of cardiac arrest.
About 30 percent of hospitalized patients were estimated to receive such treatment after that time frame.
22 percent of patients who had delayed defibrillation survived, compared with 39 percent of patients who received the therapy much more quickly.
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