What is the normal heart rate of a 9 month old baby?

Depends. A good range for normal is 100-180 beats per minute but this can vary depending of activity; for example while sleeping the hr might dip into the 80's and while feeding or crying in might reach the low 200's.

Related Questions

What is a normal heart rate for a 34 week fetus? I am 34 weeks and 4 days pregnant. I am contracting every 4-5 min for about a minute to a min and a half long the babies heart rate goes up to 180 during a contraction

Usually . Usually it is between 120-160. Please notify your doctor about that rate of contractions as that is concerning. Please go to the hospital and have a complete evaluation immediately. Do not drive yourself. Read more...

What is the normal heart rate for a 3 year old in seconds?

Varies. 70-110 beats per minute - 1.1 to 1.6 beats per second. The proper way to take a child's pulse is to count for one full minute. If a child takes a deep breath it's normal to feel a slight pause. This is called Sinus Arrythmia. http://www.livestrong.com/article/354072-normal-pulse-in-a-three-year-old/ Read more...