... devices, 73 75,74fEsophageal-Tracheal Combitube(ETC)cervical spine precautions and, 136 device characteristics, 133 – 134 , 134 f, 135 feffectiveness, 136 insertion, 135 – 136 , 135 f, 136 f in pediatric ... 30 fLaryngeal mask airway (LMA)cervical spine precautions and, 133 devices, 128– 130 , 129f, 130 feffectiveness, 133 insertion techniques, 131 – 133 , 131 f, 132 ffor prehospital airway management, 279preparation ... safety. In an attempt to addressthis problem, training using human patient simu-lators is becoming increasingly common. Indeed,most trainees in airway management techniqueswill begin their...