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store and delivers oxygen, vaporizes liquid anesthesia and mixes wiht oxygen, and removes exhaled gases
functions of the anesthesia gas machine
a blue tank, not seen often, pressure gauge measures gas portion not liquid portion
nitrous oxide tank
has a level window, fill port, measures the % of anesthesia gas mixed with the oxygen as it passes out
allows oxygen to by-pass vaporizer, oxygen goes to rebreathing bag then to the patient
oxygen flush valve
a breathing circuit that constantly reuses oxygen and anesthetic gas, removes carbon dioxide ad recycles exhaled gases
rebreathing (circle systems)
capacity of 1-2 liters, stores gases, easier to breathe from reservoir, allows patient to be bagged, and respiratory monitoring
endotracheal tube cuff not inflated properly, endotrach tube too small in diameter, tube not in trachea
decreased movement of bag
prevents atelectasis, flushes out CO2, use CPR, perform every 5 min during long procedures
If oxygen flow rate too high, or reservoir bag is too large, or pop off valve is not open enough then
bag is over filled
If oxygen flow rate too low, oxygen tank empty, reservoir bag too small, pop off valve open too much then
under filled bag
gives pressure relief to the system, allows waste gases to leave the system and enter the scavenger system, close to bag animal; then reopen
pop off valve
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