During initial DKA management, which IV fluid is used first and why, and when do you switch to dextrose-containing fluids?

• A. Start with normal saline 0.9% NaCl for volume resuscitation; switch to 5% dextrose in saline when glucose <200 mg/dL.
• B. Start with LR; switch when glucose <300.
• C. Start with dextrose fluids immediately.
• D. Start with half-normal saline; never switch.

Answer: (A)