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37 Cards in this Set
- Front
- Back
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If you use a smaller ETT, will resistance inc. or decrease?
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increase by a factor of 4 based on diameter
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does a smaller ETT cause resistance to increase or decrease?
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increase
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where fresh gases with or without agents enter the breathing circuit
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fresh gas inlet
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join together 2 or more components
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connectors/adaptors
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connect components for circuit to patient
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breathing tubes
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resevoir bag functions
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res. of anes gas,assists/controls ventil,way to mon. spon. resp,prot. frm excess pressure
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functions of APL valve
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cntrls pressure in breathing sys, releases gases to scavenging sys
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If manually ventillating and have leak, what do you do?
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close APL valve
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Partial closing of APL vallve during spont breathing results in
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CPAP
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what allows for a less kinky connection?
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connectors/adaptors
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ID mapleson pics
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see envelope
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AKA Mapleson A
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Magill System
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Lack modification is an enhancement to...which...
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A which warms inspired air and can hook up to scavenging it has a coaxial conf.
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Mapleson Breathing systems are what type of circuits?
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semi-open
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Charac of Mapleson
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No unidirec valves, no CO2 absorbers
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what is required in mapleson breathing circuits to prevent rebreathing?
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High FGF
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best way to determine optimbal Flow rate?
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monitor ET CO2
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which mapleson circuit is most efficient for spontaneous vent? why
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A (magill), b/c a FGF=Minute Ventilation
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in which mapleson circuit is FGF=Minite Ventilation during spont. vent?
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A (Magill); abt 80ml/kg/min
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What FGF are required for Mapleson A during cotrolled vent. to prevent rebreathing?
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3x minute ventilation
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During Spont. ventilation, what is required FGF in B to prevent rebreathing?
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2x minute vent
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Other name for Mapleson C
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Waters to and Fro
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The Mapleson _____is efficient during controlled vent
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D
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Bain circuit is a modification to....
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Mapleson D
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Effect of Bain circuit
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decreases circuit's bulk,retains heat and humidity better than D,
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Compare Mapleson D's APL valve during assisted/controlled vent to A, B, C
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D: assisted: APL partially closed; controlled: comp. closed. A, B,C: assist/controlled: APL part.cls
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What is amodified Mapleson D sys attached to in order to apply CPAP.
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non-dependent operative lung
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During spontaneous breathing with Mapleson D, what is required FGF to prevent rebreathing?
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2-3 times MV
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during control vent, which mapleson ciruct does FGF=MV?
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D
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Mapleson E is also called
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Ayre's T piece
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Does Ayres T piece have an APL valve?
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(E) no.
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Is mapleson e most commonly used for spontaneous or controlled/assisted?
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spontanous...(difficulty in scavenging excess gases).
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Does E have a resevoir?
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no
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which mapleson good to take pt to recovery?
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E (Ayres)/no resevoir
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Another name for mapleson F
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Jackson-Reese, Rees, Jackson-Rees modification of T piece
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Most common population for Mapleson F
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kids (least amt of work)
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Are mapleson systems suitable for pts wwith MH?
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no
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