health informatics technology

A friend, colleague, or your boss asks you what you are studying.  You respond that you are taking a course on Informatics for Health Professionals.  They respond, "What is Health Informatics?"  

Describe and define health informatics. Base your response on reading chapter one in the Medical Informatics etextbook, and introductory videos).  Add a reference to add credibility to your discussion as well as share your thoughts on the value of health informatics.  

https://www.youtube.com/watch?v=rFxewUq1cE4

https://books.google.com/books?id=vVVTBgAAQBAJ&printsec=frontcover#v=onepage&q&f=false