Abnormal heart murmurs occurred in children chest due to abnormal blood flow in cardiac vessels, chambers etc.
This is another common reason for sending the child to a child heart specialist besides abnormal heart sounds.
This is frequently picked by a family pediatrician of a child during routine examination.
Cardiac reasons may be innocent murmur that is benign in nature (not serious, a normal findings in child), or can be a manifestation of some serious heart disease like hole in the heart etc.
Timely diagnosis and then proper and timely treatment can be done for a good outcome.
For diagnosing, we need to carry out child echo (a form of ultrasound).
Kindly read “common cardiac condition” section of www.childrenheartcare.com for detailed description of causes that produces these abnormal murmurs.