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A recent study finds that relatives present during resuscitation attempts suffer fewer psychological effects later. hide caption

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Becky Cole was eight months pregnant with her son Ryan when she passed out. Her husband performed CPR for six minutes with the help of a dispatcher before medics arrived. Courtesy of Medic One Foundation hide caption

toggle caption Courtesy of Medic One Foundation

"Stayin' Alive" is catchy and memorable, but the Bee Gees' smash hit isn't necessarily a good thing to sing to yourself when giving someone CPR. Lennox McLendon/AP hide caption

toggle caption Lennox McLendon/AP