Henry Bessemer was an inventor and engineer from England. Not only  did he develop the Bessemer process for steel manufacturing, but he  also designed a machine that could mâ¦ake bronze powder.
The head-tilt/chin-lift is the primary maneuver used in any patient in whom cervical spine injury is not a concern. The simplest way of ensuring an open airway in an unconscious patient is to use a head-tilt/chin-lift technique, thereby lifting the tongue from the back of the throat.
Clear Airway Apnea = Central Apnea? I recently got a Respironics System One Auto machine, and I notice that in the daily report, AHI is composed of three things â Obstructive Airway Apneas (OA), Hyponeas (H), and Clear Airway Apneas (CA). My first question is this â is Clear Airway Apnea just another term for Central Apnea?