From CNN.com
Having a defibrillator at home can help a heart attack survivor live through a second crisis, but so can CPR and at a much lower cost. That’s the bottom line from the first test of using these heart-shocking devices in the home.
The devices worked. But so few people in the study were stricken at home, and CPR by spouses in the comparison group was so good, that the 7,000-person study wound up being be too small to prove that a defibrillator can improve survival.
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