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.
arrest, whereas partial obstruction may be more insidious in onset. Reduced alveolar ventilation in the obtunded patient and the obstructed airway leads to hypercap-nia, respiratory acidosis and hypoxaemia. Noisy breathing characterizes a partially obstructed airway, and ominous absence of airway noises heralds total airway obstruction