Best parameter to monitor the response to injection of a bolus dose of fluids in a dehydrated child is

Signs of mild or moderate dehydration include: Thirst ,Dry or sticky mouth. Signs of severe dehydration include: Not peeing or having very dark yellow pee. Very dry skin. Feeling dizzy. Rapid heabeat. Rapid breathing. Sunken eyes. Sleepiness, lack of energy, confusion or irritability. Fainting. Reference: GHAI Essential pediatrics, 8th edition