Strangers more likely than family to do CPR

Researchers reviewed 547,218 cardiac arrest cases that occurred in 2005–09 and identified 140,000 incidents witnessed by bystanders without a doctor’s involvement.

They found family members were the least likely to administer CPR, which the researchers believe may be due to fear of injuring their loved one.

“Different strategies, including basic life support instruction targeting smaller households, especially those with elderly residents,