The mnemonic
After Dinner, Eat Fruit, Before Coffee
What each word stands for
- AfterA (Magill) — most efficient for spontaneous breathing
- Dinner, Eat, FruitD, E, F — intermediate efficiency
- Before, CoffeeB, C — least efficient
Why it matters clinically
Guides the choice of circuit and fresh gas flow.
Where it stops being reliable
Applies to spontaneous ventilation only; for controlled ventilation the order is D, E, F then B, C, then A.
Teaching aid, still awaiting independent review. Confirm facts in a standard source.