“…17 We postulate that there are likely systemrelated and patient-related factors that influence this relationship and contribute to what has come to be known as Bfailure to rescue.^1 8,19 System-related factors may include general inpatient floor staffing models and provider-patient ratios, 20 temporal issues including the time of day and day of the week at which deterioration occurs, 21 adherence to vital sign monitoring protocols, 22 and ICU bed availability. 7,23,24 There are also cultural barriers preventing staff from calling for assistance, [25][26][27][28] and nurse/physician providers often do not accurately self-assess the quality of their care for clinically deteriorating patients. 28 Patient factors, such as severity of illness, age, 29 medical comorbidities, and the number and type of specific criteria heralding deterioration 12,13,30 may all play a role as well.…”