From: Fluid prescription practices of anesthesiologists managing patients undergoing elective colonoscopy: an observational study
Cannula size
Maximum Flow rate (mls/min)
Maximal volume of fluid that can be delivered for a given 25 min procedure
24 gauge
22
550 mls
22 gauge
35
875 mls
20 gauge
60
1500 mls
18 gauge
105
2625 mls
16 gauge
215
5375 mls
14 gauge
345
8625 mls