Conversation: The conversation between human and AI assistant.
[|Human|] What is the normal heart rate of a 20 month old? Note, he also has pectus excavatum and his heart has not been checked yet to see if the PE is effecting his heart in anyway, only xrays have been done. His heart rate runs around 130-150 at all times, I am worried about him, can you give me some insight on this please.
[|AI|]  Hello, It is from 70 up to 110It is very imp to check why there is increasing in the heart rate period is usually accompanied by increased heart rate according to its degree ECG and echo will rule out any consequent problem in the heart, also its imp to do MRI to check the degree of CBC is imp because the child may be anemicBesides, its imp to rule out any signs of rickets as PE can be caused by Rickets.