“… 22 , 36 Over half involved pediatric patients (n = 14). 19 , 24 , 26 , 27 , 28 , 30 , 32 , 33 , 35 , 36 The arrest precipitant was incompletely described, but, five patients had air emboli, 26 , 28 , 29 , 33 three had cardiac decompensation, 17 , 25 , 35 three had airway obstruction, 32 , 36 two had excessive parasympathetic stimulation 27 , 32 and one had cardiac tamponade. 31 The most common initial rhythm was pulseless electrical activity (n = 11, 44%), 17 , 18 , 19 , 20 , 21 , 23 , 24 , 25 , 26 , 32 followed by asystole (n = 4, 16%).…”