(n.) One who, or that which, resuscitates.

Aqua-Lung artificial respiration aspiration asthmatic wheeze breath breath of air breathing broken wind cough exhalation expiration exsufflation gasp gulp hack hiccup inhalation inspiration insufflation iron lung mouth-to-mouth resuscitation oxygen mask oxygen tent pant puff respiration resuscitator scuba sigh sneeze sniff sniffle snore snoring snuff snuffle sternutation stertor suspiration wheeze wind