REBEL Review 70: Fluid Composition - Colloids and Crystalloids Colloids: Dextran, Gelatin - Crystalloids: Normal Saline, Ringer's Lactate, Hartmann's Solution, Plasma-Lyte Ca2+ Mg2+ Cl- Acetate Lactate Gluconate Bicarbonate Osmolarity Colloid #IVFluids #crystalloids #colloids #composition #contents #comparison #table #LR #LactatedRingers #hartmanns #Plasmalyte