“…The successful CPR rate in other studies are as follow: 28.1% in Kermanshah (Saifi et al, 2010b), 29.3% in Shohadaye Haftom Tir, Tehran , 28.4% in selected educational centers of Tehran (Salari & Mohammadnejad, 2010), 19.9% in educational centers of Kashan (Ebell et al, 1998), 32% in Social Security emergency hospitals of Alborz Province (Nasiripour, Masoudi, & Fathi, 2012), 39.7% in Brazil (Moretti et al, 2007), 10.6% in Kermanshah (Goodarzi et al, 2015). One study showed that in critical ward, the rate of successful CPR was 3.3% (Jaberi, Changizian, & Mazlomzadeh, 2011;Karetzky, Zubair, & Parikh, 1995) and in other ward, this rate vary from 13% to 33% (Abella et al, 2005;Brindley et al, 2002;Taffet, Teasdale, & Luchi, 1988), also the successful CPR reported from 8% to 16% in some other studies (Karetzky et al, 1995).…”