OSCE's > Breathing systems > Flashcards

Breathing systems Flashcards

(23 cards)

Study These Flashcards
1
Q

What breathing system is this?

A

Bain non-rebreathing system

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2
Q

What size bag does a Bain use?

A

2L

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3
Q

What is the weight range suitable for a Bain?
- what is the system factor
- is it suitable for IPPV?

A

10-18 kg
-System factor: 2.5-3
-Yes suitable for IPPV

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4
Q

Label each of these arrows

A
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5
Q

What are the steps to perform a system check on a Bain?

A
  1. attach Bain to common gas outlet
  2. attach the scavenging tube to the white part of the APL valve
  3. Set oxygen flow meter to 4-6 L
  4. close APL valve
  5. occlude the patient end with your thumb
  6. let bag fill, or use emergency flush
  7. turn off oxygen flowmeter
  8. squeeze the bag to check for resistance, listen for leaks
  9. open APL valve and squeeze the bag so gas exits through APL Valve/ scavenging
  10. stop occluding the patient end
  11. turn on oxygen flow meter to 4L
  12. use leak tester, block green inner tube
  13. As you remove it from the end of the inner green tube, watch the bobbin on the flow meter (it will dip first and then jump back up) this effectively proves there are no leaks and the system is safe and ready for use
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6
Q

What breathing system is this?

A

Mini-lack

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7
Q

What size bag is used in the Mini-Lack?

A

0.5L bag

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8
Q

What is the weight range suitable for a Mini-Lack?
- what is the system factor
- is it suitable for IPPV?

A

2-10kg
-system factor: 1-1.5
-not suitable for longterm IPPV

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9
Q

What are the steps to perform a system check on a Mini-Lack?

A
  1. Attach mini-lack to anaesthetic machine and attach scavenging tube
  2. with the valve closed, occlude patient end of breathing system with finger.
  3. set oxygen to 4L/min
  4. once bag is inflated, turn off oxygen
  5. squeeze inflated bag, check for leaks (and listen)
  6. open the valve fully and empty the system by squeezing bag
  7. stop occluding the patient end
    (system is safe and ready for use
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10
Q

What breathing system is this?

A

Parallel Lack

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11
Q

What size bag does a Parallel Lack use?

A

2L

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12
Q

What is the weight range suitable for a Parallel Lack?
- what is the system factor
- is it suitable for IPPV?

A

10-35Kg
-System Factor: 1-1.5
-not suitable for IPPV

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13
Q

Label this Diagram

A
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14
Q

What are the steps of the system check for a Parallel Lack?

A
  1. Attach the parallel lack to the common gas outlet, attach the scavenging tube and APL valve
  2. close APL Valve
  3. occlude the patient end with your thumb
  4. turn flow meter between 4-6L to fill bag (or press emergency O2 flush
  5. when bag is inflated, turn off flow meter- continue to occlude patient end
  6. squeeze bag and check for leaks (listen too)
  7. open APL valve and take thumb off patient end - squeeze the bag
    system is safe and ready for use
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15
Q

What breathing system is this?

A

Circle re-breathing system

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16
Q

What size bag does a Circle use?

17
Q

What is the weight range suitable for a Circle?
- what is the system factor
-what is the appropriate flow rate?

Study These Flashcards
A

10kg+ (all animals over 40kg)
- no system factor
-flow rates typically start at 100mls/kg but can drop down to 10ml/kg

18
Q

Label this

19
Q

What are the steps to performing a system check on a circle?

Study These Flashcards
A
  1. close APL valve and set flow meter to 4L/min
    - down for closed and unscrewed for open
  2. occlude the patient end with thumb
  3. allow reservoir bag to fill (emergency flush)
  4. switch off o2 on flow meter
  5. squeeze the bag, check for leaks and listen
  6. squeeze and release the bag a few times to check one-way valves open and close
  7. open APL valve fully, squeeze bag to empty scavenging tube and then remove thumb
20
Q

What system is this?

21
Q

What size bag does a T-piece use?

22
Q

What is the weight range suitable for a T-piece?
- what is the system factor
- is it suitable for IPPV?

Study These Flashcards
A

0-10kg
-system factor: 2.5-3
- suitable for longterm IPPV

23
Q

What are the steps to perform a system check for the T-piece?

Study These Flashcards
A
  1. attach slim green expiratory tube to the common gas outlet
  2. attach scavenging tube to the APL valve
  3. close the APL valve
  4. set flow rate to 4L/min
  5. occlude the patient end with your thumb
  6. let bag fill (or emergency flush)
  7. turn off oxygen flow meter
  8. squeeze bag to check for leaks and listen
  9. open APL valve fully
  10. squeeze bag to empty through scavenging pipe
  11. stop occluding patient end
    the system is now safe and ready for use
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