The American Heart Association recommends 100 chest compressions per minute, far more than most people realize, study author Dr. David Matlock of the school's Peoria, Ill., campus said Thursday.
And while CPR can triple cardiac arrest survival rates when properly performed, many people hesitate to do it because they're not sure about keeping the proper rhythm, Matlock said.
He found that "Stayin' Alive," which has a way of getting stuck in your head anyway, can help with that.
His study involved 15 students and doctors and had two parts. First they did CPR on mannequins while listening to the song on iPods. They were asked to time chest compressions with the song's beat.
Five weeks later, they did the same drill without the music but were told to think of the song while doing compressions.
The average number of compressions the first time was 109 per minute; the second time it was 113. That's more than recommended, but Matlock said that when it comes to trying to revive a stopped heart, a few extra compressions per minute is better than too few.
"It drove them and motivated them to keep up the rate, which is the most important thing," he said.
The study showed the song helped people who already know how to do CPR, and the results were promising enough to warrant larger, more definitive studies with real patients or untrained people, Matlock said.
He plans to present his findings at an American College of Emergency Physicians meeting in Chicago this month.
It turns out the American Heart Association has been using the song as a training tip for CPR instructors for about two years. They learned of it from a physician "who sort of hit upon this as a training tool," said association spokesman Dr. Vinay Nadkarni of the University of Pennsylvania.
He said he was not aware of any previous studies that tested the song.
But Nadkarni said he has seen "Stayin' Alive" work wonders in classes where students were having trouble keeping the right beat while practicing on mannequins. When he turned on the song, "all of a sudden, within just a few seconds, they get it right on the dot."
"I don't know how the Bee Gees knew this," Nadkarni said. "They probably didn't. But they just hit upon this natural rhythm that was very catchy, very popular, that helps us do the right thing."
Dr. Matthew Gilbert, a 28-year-old medical resident, was among participants in the University of Illinois study this past spring. Since then, he said, he has revived real patients by keeping the song in his head while doing CPR.
Gilbert said he was surprised the song worked as well as it did.
"I was a little worried because I've been told that I have a complete lack of rhythm," he said. Also, Gilbert said he's not really a disco fan.
He does happen to like a certain Queen song with a similar beat.
"I heard a rumor that 'Another One Bites the Dust' works also, but it didn't seem quite as appropriate," Gilbert said.
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