TABLE 1

Factors that Affect the Rate of Gastric Emptying

Factors that Increase the Rate of EmptyingFactors that Decrease the Rate of Emptying
LiquidsSolids
Small particle sizeLarge particle size
Low fiber or low residueHigh fiber
Proteins and carbohydratesFats
Low calorieHigh calorie
Large volumeSmall volume
AlkalineAcidic
Hot foodCool food
Early in the dayLate in the day
ActivitySedentary
UprightLying down
Absence of painPain
Lying on right sideLying on left side
MaleFemale
Prokinetic, erythromycinNarcotics, anticholinergic
Reserpine, anticholinesterases, guanethidine, cholinergic agents(Atropine), tricyclic antidepressants, phenothiazines