 [ Symptoms ] if 6 year old child has fever over 100 f and tachypnea and tachycardia should he go to er [ Disease ] you have got it backwards whitlock children is heart rates are faster than adults not slower in a 6 year old a rate of up to 130 can be normal and in a newborn less than 100 is too slow i agree the kid should go to the er in this instance but be careful what you post here especially if you tell people you have a medical background they will belive what you say and misinformation can be dangerous