Flashcards in Breathing systems Deck (5)
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1
what is an open system
No mask on the face
no dead space
Anesthetic by insufflation
room air inhaled and anesthetic diluted
NO rebreathing and NO reservoir bag
NO valves
Not used much today
2
What is a semi-open system?
Mask on face
breath spot inhalation gasses and room air
CO2 accumulates under mask
Reservoir bag
No rebreathing
Room pollution
High gas flows
3
What is a semi closed system
mask on face
No room air inspired
Expired gas exits through scavenging system
Very common
Unidirectional valves
Conserves moister and heat
Pop off valves
Currogated tubes
4
What is a closed system
Mask on
agents contained in the system and not vented
maintains humidaifaction
Rebreathing gases
Unidirectional valves
5
