Safe induction according to American Society of Anesthesiologists Guidelines
2h – clear liquids (water, soda pop, coffee without creamer, fruit juice without pulp)
4h – human milk
6h – light solids (non-meat and non-fat) and non-clear liquids (non-human milk products and formula)
8h – fat and meats
Gastric emptying influenced by volume (distention), osmolarity (protein and sugar), fat, and solid vs liquid (fat slows gastric emptying greater than carbohydrates and proteins)
Conditions which may delay gastric emptying may include: gastroparetic conditions (diabetic neuropathy), proliferative connective tissue disorders, obesity, extreme pain or fear, and opioid use.