Many conditions, such as the bulbar type of poliomyelitis, concussion of the brain, facture of the skull, or certain types of neck fractures, may entirely stop respiration.

• 许多情况，如延脑型脊髓灰白质炎、脑震荡、颅骨骨折以及某些类型的颈椎骨折，均能造成呼吸完全停止。