 [ Symptoms ] what do i do in case of an overdose of relpax [ Disease ] yes something could be going on normal heart rate is 60 100 a child is heart will tend to be closer to 60 normal respirations are 16 22 again a child is on the lower end i would seek medical attention if his is on the higher end i am in nursing school and a child is so different than an adult their status can change so much more than an adults