9. Breathing systems

Question 1

Which kinds of rebreathing systems are there?

Answer 1

Horses and dogs (>20kg)- Humphrey (circle mode), Circle, To and Fro

Question 2

Which kinds of non-rebreathing system?

Answer 2

dogs, cats and small mammals- T-piece, Bain, Magil, Lack, Mini Lack

Question 3

Which breathing system would you use for an animal <10kg?

Answer 3

Without IPPV- Mini lack, T-piece, Humphrey ADE (A)

With IPPV- Circle, to and fro, T-piece, Bain (Hughes, 2008)

Question 4

Which breathing system would you use for an animal 10-20Kg?

Answer 4

Without IPPV- Circle, To and Fro, Lack, Bain, Magil

With IPPV- Bain, circle, to-and-fro (Hughes, 2008)

Question 5

Which breathing system would you use for an animal >20kg?

Answer 5

To an Fro, Circle, Humphrey (Circle mode)

Hughes, 2008

Question 6

What are non-breathing systems?

Answer 6

No CO2 absorption (no soda lime used), there are no valves so the clearance of CO2 is dependant on using fresh gas.

non-rebreathing systems increase the risk of hypothermia- inspired gas is cold and dry