Inhaled Anesthetics

Question 1

Nitrous Oxide
Possible adverse effects?
What to avoid?
Pungency

Answer 1

Low Molecular Weight and odorless

• High volume absorption in gas containing spaces
• Risk for PONV
• inactivate vitamin B12

AVOID in ear and closed eye cases

Question 2

Halothane
What is the MAC
Benefits

Answer 2

Halogenated alkane derivative
1.17

Sweet odor
Intermediate solubility in blood