Introduction 

Hello, everybody, we are group 8, and our topic is overview of health informatics. The key points of our content are as follows:
1. Definition and evolution of health informatics

2. Advantages and  disadvantages of health informatics
3:The uses of health informatics
because we just give roughly information about
the points above,so in order to let you know
more about HI,we add more information．

They are:
a) Definition, evolution, advantages and
disadvantages of EMR
b) Definition, evolution, advantages and disadvantages of Document management system
c) Definition, evolution, advantages and disadvantages of telemedicine