1. Creating a Modern Electronic Medical Records (EMR) System
TJHSST Senior Research Project, Quarter 1
Computer Systems Lab
Jeremy Chaikind
Period 2

2. Introduction Healthcare Reform – doctors have to change too
Paper charts → Electronic Charts
Electronic Medical Records – EMR
What's out there:
MS databases – proprietary
GUI: Unintuitive, old designs
Cost : ~$5000 – $15000 per physician

3. Mander EMR System Open Source SQL backend Browser-based UI
MySQL or Postgre SQL
Browser-based UI
Coded in HTML, CSS, PHP, etc.
UI designed with doctors, for doctors

4. Database Design ACID – Atomicity, Consistency, Isolation, Durability
Atomicity – all commands are executed or none are
Consistency – all actions leave the database in a correct state
Isolation – all database processes must run without interacting with any other processes
Durability – the data in a database will survive any malfunction, always remaining in a correct state

5. Database Design Relational Database Model
Data are divided into many specialized tables based on what set of attributes are stored
A single, unique ID # links all records for the same person
ID #
Last Name
First Name
Middle Name 1
Chaikind
Jeremy
Ross
ID #
Area Code
Phone Number
Notes 1
703
Home Phone
Cell Phone
571
Google Voice

6. mandertest Add a new patient Patient Lookup Schedule a Patient
Display Schedule (month)
Display Schedule (week)

7. mandertest
Learning experience – little code will end up in final revision of Mander
Remote hosting vs. local server
Plain HTML vs. HTML, CSS, Javascript, etc.
No security vs. full HIPAA compliance
So why?
Practice PHP, MySQL, and the connection between the two
Plan out fundamental structures of EMR “screens”