The American Heart Association developed Full Code Pro (FCP), a smartphone application designed to assist EMS personnel in recording the timing of interventions performed.  Through OHCA simulations, this study assessed the group size necessary to use the FCP recording functions accurately and safely without compromising patient care.  Simulations of a standard OHCA scenario using the Gaumard TraumaHal mannequin and a dedicated iPhone 5 preloaded with FCP version 3.4 were run with group sizes of 2-6 participants, with group sizes determined by participant availability.  The feedback survey questions achieved a Cronbach's alpha of 0.91, signifying high reliability, and demonstrated a linear trend supporting greater satisfaction with FCP as group size increases (p < 0.001).  OHCA simulations using FCP demonstrate increased provider comfort, increased recording accuracy, and decreased delays as the group size increased. 
FCP