Air flow in Magill’s circuit (Mapleson A)?
Equal to minute volume
NOT suited for both controlled and assisted
ventilation?
Mapleson A
No corrugated tube in?
Mapleson C
Mapleson system used in children?
Ayer T tube
Bain circuit?
Magill’s circuit?
Ideal for adults, semiclosed, spontaneous
breathing is must
Features of Ayre’s T piece?
No reservoir bag, no expiratory valve
Rebreathing prevention valve?
Light, well designed, used at expiratory end of tube
Rebreathing circuit?
To and fro circuit, circle system, water system
Ayre’s T piece?
Mapleson E
