Washington University

cervical spine emergency anesthesiologist anesthesia washington university cuello urgency anaesthetics via aerea resonancia magnética nuclear radiografía tomografía tomography resonance x ray occipitocervical injury lesion atlantoaxoidea fracturas cervicales espinales lesion cervical clearing cervical spine trauma brain injury trauma craneoencefalico columna cervical anestesiologos anestesia intubation intubacion vía aérea difícil difficult airway facial trauma lefort