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Medicine and the Internet

Medicine and the Internet Don Nelson and Gordon Baustian Overview What is the Internet? How did it come about? What can it do for physicians? How can I get connected? Prospects for the future What is the Internet? udp: gopher:

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Medicine and the Internet

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  1. Medicine and the Internet Don Nelson and Gordon Baustian

  2. Overview • What is the Internet? • How did it come about? • What can it do for physicians? • How can I get connected? • Prospects for the future

  3. What is the Internet? udp: gopher: • A loosely organized, but effective, network of computers and smaller networks • A set of rules (protocols) for computers to make connections to other computers and to request and transfer information ftp: TCP/IP Telnet: http: ppp: pop:

  4. How we got the Internet • Department of Defense support for computing research • (Defense) Advanced Research Projects Agency: ARPANET (1969) • Share expensive experimental computers ($$$) among researchers

  5. How we got the Internet • The Cold War • Need for “disaster-proof”network • Decentralized • Reconfigure itself • Work around outages

  6. Terminology • Hosts / Servers • Systems that supply information • More-or-less permanent connection to the Net • Clients • Systems that request information • May be intermittently connected • One system may play both roles

  7. How it grew!! • The PC revolution -- Cheap computers! • Millions of users • Hypertext • The World Wide Web (WWW)

  8. Hypertext • Ability to embed references to other documents • References “Links” are active • Move from one item to another by selecting a link

  9. Hypertext • This is ordinary text from a Web Page • This is hypertext

  10. Hypertext • HTML Hypertext Markup Language • Create documents with links to other documents • HTTP Hypertext Transfer Protocol • Send HTML documents from one computer to another • One resource can “contain” others anywhere • Hence “World Wide Web”

  11. What is a URL? • Uniform Resource Locator • An address to any item on the Internet http://www.microsoft.com/index.htm The itemrequested Name of host computer Protocol to use

  12. What do I need? • Computer • Modem or other connection • Software -- Browser • Netscape Navigator • Microsoft Internet Explorer • Internet provider • Compuserve, America Online • Physicians Online • Local provider: CR Library, etc.

  13. What Lies Ahead? • Patient education on line • Secure transactions • Access to medical records? • Patients schedule own appointments?

  14. Where to get more information • Mercy Library classes • Local user groups • Computer store classes • Books: Hutchinson: A Pocket Guide to the Medical Internet • Surf yourself

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