Ontario, Canada has taught tens of thousands lay persons all the signs of respiratory emergency then trained to give chest compression’s only.
My letter Emergency Medicine News Dec. 2015 ‘Flaws in Toronto’s Opioid Overdose Prevention Program’ Hyperlinks to Public Health’s training literature here.
234 Doctors, other health care professionals and myself signed a letter to Ontario’s Premier Kathleen Wynne and Minister of Health Dr. Eric Hoskins about this life threatening intervention. See response from Permier this link.
Case reports Naloxone ineffective, thousands more like this in medical literature. Just one of the hundred reasons rescue breathing is first line defense, Naloxone is second line defense. http://www.slideshare.net/GaryThompson11/case-reports-children-women-57633650