Your Partner Is Having a Difficult Time Determining What a Normal

Your partner is having a difficult time determining what a normal and abnormal blood pressure is for a child. Which one of the following statements will help him most?

A) "Since pediatric emergencies are less common than adult emergencies. It is best to call medical direction and ask what is normal."
B) "Any systolic blood pressure of less than 100 mmHg in a child is an emergency."
C) "A normal systolic pressure can be estimated by doubling the child's age and adding it to 80."
D) "It is helpful to ask the parent or caregiver what is normal for the child and compare your reading to that."