Breathing Circuits

Question 1

Rebreathing Circuits

Answer 1

-Circle
-To- and- fro
- Humphrey ADE - Circle System

Question 2

Non- Rebreathing Circuits

Answer 2

• T-piece
  -Lack
  -Bain
  -Magill
  -Humphrey ADE

Question 3

T- PIECE Circuit Factor and Weight Range

Answer 3

Circuit - 2.5-3
Weight- <10kg

Question 4

MINI- LACK Circuit Factor and Weight Range

Answer 4

Circuit- 1-1.5
Weight- <10kg

Question 5

LACK Circuit Factor and Weight Range

Answer 5

Circuit- 1-1.5
Weight- 10-40kg

Question 6

MAGILL Circuit Factor and Weight Range

Answer 6

Circuit- 1-1.5
Weight- 8-35kg

Question 7

BAIN Circuit Factor and Weight Range

Answer 7

Circuit- 2.5-3
Weight- 10-30kg

Question 8

Rebreathing Advantages

Answer 8

• Reduced enviromental contamination
  -Reduced heat loss from patient

Question 9

Rebreathing Disadantages

Answer 9

-Can be expensive
-Altering level of volatile agent takes a while to change
-Requires understanding of how circuits work

Question 10

Non- Breathing Advantages

Answer 10

-Cheap to purchase
-Easy to use
-Minimal circuit resistance

Question 11

Non- Rebreathing Disadvanatges

Answer 11

• Increased enviroment contamination
  -Significant heat loss through respiratory tract
  -Potential of re-breathing if patient breathes too rapidly

Question 12

Circle system Advantages

Answer 12

-Decreased use of volatile agents
-Less enviromental contamination
-Ideal for IPPV

Question 13

Circle System-Disadvantages

Answer 13

-Maintenance takes skill
-Canisyers are difficult to clean and fill
Unsuitable for hyperthermic patients