开放气道时头和颈部位置：嗅探位
A：头部平放在担架上，气道处收窄状态。B：耳和胸骨切迹对齐，面部平行于天花板（在嗅探位），开放气道。Adapted from Levitan RM, Kinkle WC: The Airway Cam Pocket Guide to Intubation, ed.2.Wayne (PA), Airway Cam Technologies, 2007.
A：头部平放在担架上，气道处收窄状态。B：耳和胸骨切迹对齐，面部平行于天花板（在嗅探位），开放气道。Adapted from Levitan RM, Kinkle WC: The Airway Cam Pocket Guide to Intubation, ed.2.Wayne (PA), Airway Cam Technologies, 2007.