Research has shown that the relationship between pain intensity scores and dose requirements during and after titration in postoperative patients is not linear, suggesting that many factors influence pain and its relief, and that there is no specific dose that will relieve pain of a specific intensity (Aubrun & Riou, 2004; Pasero, 2014; Pasero, Quinlan-Colwell, Rae, Broglio, & Drew, 2016). Research underscores the importance of individualized selection of analgesic doses and systematic assessment of response during titration (Aubrun et al., 2003). Dosing to a specific pain intensity (e.g., set orders that mandate 2 mg of IV morphine for pain ratings of 1-3 on a scale of 0-10; 4 mg for pain ratings of 4-6; and 6 mg for pain ratings of 7-10) can be very dangerous and is strongly discouraged (Pasero, 2014; Pasero, Quinlan-Colwell, Rae, Broglio, & Drew, 2016; Pasero, Quinn, Portenoy, McCaffery, & Rizos, 2011; Vila et al., 2005). Many factors, such as sedation level, respiratory status, and previous analgesic and sedative intake, in addition to pain intensity must be considered when selecting an opioid dose (Pasero, 2014; Pasero, Quinlan-Colwell, Rae, Broglio, & Drew, 2016).