“…The greatest initial success rate of CPR was related to the underlying cardiac diseases. which are consistent with the results of researches conducted in hospitals of kermanshah in 2013 (Goodarzi et al, 2015), Hospitals of Kashan in 2003 and some overseas other studies (Jeresaty, Liss, & Basu, 1973;MH et al, 1998;WlLDSMITH, 1972) In this regard, Jafariyan reported that the greatest success rate was related to medicine poisoning, and he also mentioned that the success rate was in the lower level in trauma cases in comparison with patients with underlying internal, cardinal, kidney, lungs and neural diseases and also CPR was not successful in any patients with cancer . According to Goodarzi study, the greatest initial successful CPR rate was related to the poisoning cases, the heart diseases and malignancies respectively (Goodarzi et al, 2015).…”