Background: The purpose of rapid response teams (RRTs) is to reduce cardiopulmonary arrest and hospital mortality rates, and prevent failure to rescue (FTR). Silber, Williams, Krakauer, and Schwartz (1992) coined the term failure to rescue to describe the death of patients who suffered a post-surgical complication that was not addressed promptly. Between 2008 and 2010, 21,773 postoperative Medicare patients died in U.S. hospitals from FTR. The literature indicates RRTs are underutilized and underutilization of RRTs can lead to FTR. This comes in the form of delayed RRT activation or complete failure to activate the RRT when the patient's condition warrants. It indicates failures in the recognition of and reaction to sudden clinical deterioration, both of which require registered nurses (RNs) to utilize their critical thinking and decision-making skills. Increased frequency of RRT activation has been correlated to reduced patient mortality. Objective: The objective of this study was to determine the relationships between nurses' decision-making model during RRT activation and the frequency of RRT activation. Method: Participants in this study were 87 acute care RNs working in medical-surgical units who had activated the RRT at least once in the preceding 12 months. They completed a demographic questionnaire and self-reported the number of calls to the RRT in the preceding 12 months. The participants were asked to recall a time they had activated the RRT for a patient and then completed the Nurse Decision-Making Instrument (NDMI). The NDMI classified participant's decision-making process during RRT activation into one of three categories: analytic, analytic/intuitive (mixed model), or intuitive decision making. Results: Of the 87 RNs in this study, 70.1% (n=61) used an analytic/intuitive decision-making model, 21.8% (n=19) used an analytic decision-making model, and 8% (n=7) used an intuitive decision-making model during RRT activation. The frequency of RRT calls ranged from 1 to 15 (M=3.0, SD=2.6). Analytic decision makers had a mean of 4.7 RRT calls, analytic/intuitive decision makers had a mean of 2.56 RRT calls, and intuitive decision makers had a mean of 2.3 RRT calls. A one-way ANOVA indicated the differences in number of RRT calls between the three decision-making models was significant (p=0.003). The findings of this study indicated RNs who used analytical decision making activated the RRT with significantly greater frequency than either intuitive or mixed model decision makers. Discussion: The relationship between nurse decision-making models and patient outcomes needs to be investigated further. Because increased frequency of RRT activation has been associated with analytic decision making in this study and linked to decreased patient mortality rates in the literature, the potential to impact patient's outcomes positively, reduce hospital mortality rates, and reduce FTR exists. Nurses should be trained in analytical decision make and ongoing efforts should be made to support and enhance nurses' use of RRTs. [ABSTRACT FROM AUTHOR]