After starting IV fluids in a dehydrated child, which clinical parameters should be reassessed?

• A. Temperature only
• B. Vital signs, capillary refill, urine output, mucous membranes, and weight (as feasible)
• C. Breath sounds only
• D. Blood glucose only

Answer: (B)

The main idea is to monitor how well the child is rehydrating by looking at perfusion and fluid balance after starting IV fluids. After initiating fluids, you want a snapshot of how well the body's circulating volume is being restored. Reassess vital signs to see if heart rate and blood pressure are returning toward normal, and check capillary refill to gauge perfusion of the extremities. Urine output provides a direct clue about kidney perfusion and ongoing fluid status. Moist mucous membranes reflect hydration on a daily oral intake level, and tracking weight over time helps quantify net fluid gains and losses, which is especially useful in pediatrics where weight is a proxy for fluid status. Taken together, these measures give a practical, integrated sense of whether the child is responding to fluids and what adjustments might be needed.

Single measures like temperature, breath sounds, or blood glucose alone don’t give a complete picture of hydration and perfusion. Temperature can be influenced by fever or environment, breath sounds don’t address overall fluid status, and blood glucose levels don’t directly reflect hydration or tissue perfusion.