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Doc.: IEEE 802.15- Submission, Slide 1 Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [Medical Alarms.

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Presentation on theme: "Doc.: IEEE 802.15- Submission, Slide 1 Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [Medical Alarms."— Presentation transcript:

1 doc.: IEEE Submission, Slide 1 Project: IEEE P Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [Medical Alarms Issues and Opportunities] Date Submitted: [10 July 2008] Source: [Monroe Patillo] Company [Philips Emergin] Address [] Voice:[Add telephone number], FAX: [Add FAX number], Re: [If this is a proposed revision, cite the original document.] [If this is a response to a Call for Contributions, cite the name and date of the Call for Contributions to which this document responds, as well as the relevant item number in the Call for Contributions.] [Note: Contributions that are not responsive to this section of the template, and contributions which do not address the topic under which they are submitted, may be refused or consigned to the General Contributions area.] Abstract:[Description of document contents.] Purpose:[Description of what the author wants P to do with the information in the document.] Notice:This document has been prepared to assist the IEEE P It is offered as a basis for discussion and is not binding on the contributing individual(s) or organization(s). The material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) the right to add, amend or withdraw material contained herein. Release:The contributor acknowledges and accepts that this contribution becomes the property of IEEE and may be made publicly available by P

2 doc.: IEEE Submission, Medical Alarms Issues and Opportunities Monroe Pattillo Philips Emergin, Product Manager Philips Emergin, Product Manager

3 doc.: IEEE Submission, Contents What is a Medical Alarm? What is the urgency? What is the gain? What gets in its way? Why prioritize it end to end? How should it be prioritized? How can it be assured? Recommendations

4 doc.: IEEE Submission, What is a Medical Alarm? Communication of a potentially patient life threatening event – heart failure Short, typically text –CODE BLUE room 212 Waveform snippets ~ 100KB Low occurrence by comparison

5 doc.: IEEE Submission, What is the urgency? Nurse call systems – assistance call, fall out of bed, request for a glass of water – message dependent, urgency ambiguous Patient monitoring – life in the balance, CODE BLUE Multiple, potentially uncontrollable, delay sources –Physiological event determination –End to end communication of the event (controllable) –Human recognition of the severity of the event –Response to the event (run to room, use equipment, do it) Sub-second variability is tolerable Seconds count, 10 is too long, 60 may equal dead

6 doc.: IEEE Submission, What is the gain? Improved response = lives saved Reduced litigation by survivors

7 doc.: IEEE Submission, What gets in its way? Blocked or queued behind less important traffic – (blasts) –Video (live or stored streams) –Voice VoIP (PBX) –File transfers (PACS images)

8 doc.: IEEE Submission, Why prioritize it end to end? Only the source knows the urgency required to the destination Priority shouldnt vary in the middle of an end to end transit Alarms transit multiple mediums –LAN, MAN, Wi-Fi, etc. Every AP, switch & router along the way to urgently handle medical alarms

9 doc.: IEEE Submission, How should it be prioritized? Above Video/CBR (no avatars) Above VoIP (no TTS of alarms) Above file transfers (images) Above

10 doc.: IEEE Submission, How can it be assured? 1.Reserve (idle HOV lane) Seems like a waste of bandwidth 2.Prioritize (ambulance style) Seems ok, but theyre all taken 3.Indicate (line bully) Cascade and ordering side effects

11 doc.: IEEE Submission, Recommendations Priority definition currently bound to traffic source, not configurable, a change to priority standard requires hardware forklift replacement Configurability of priority of source traffic – S/W, F/W update to sources Rest of infrastructure works as-is Basically push everything down one notch at the source to make room for medical alarms above video and VoIP


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