# Decision support

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### Decision support

1. 1. Introduction Existing System Proposed System Architecture ConclusionDYNAMIC ALERT LEVEL DETERMINATIONAMAL JYOTHI COLLEGE OF ENGINEERING February 6, 2013 DYNAMIC ALERT LEVEL DETERMINATION
2. 2. Introduction Existing System Proposed System Architecture ConclusionOutline 1 Introduction 2 Existing System 3 Proposed System 4 Architecture 5 Conclusion DYNAMIC ALERT LEVEL DETERMINATION
3. 3. Introduction Existing System Proposed System Architecture ConclusionIntroduction In HIMS Continuous monitoring of the vital parameter is requied The instruments used are ⇒ duel parameter monitor, ⇒ multi-parameter monitor, ⇒ central monitoring stations, etc. Alerts are generated when a preconditions are voilated. DYNAMIC ALERT LEVEL DETERMINATION
4. 4. Introduction Existing System Proposed System Architecture ConclusionExisting System In the existing system alerts are static ⇒ hard and soft limit Frequent voilation of precondition occurs. So these alarms are usually ignored by nurses and may cause problems. DYNAMIC ALERT LEVEL DETERMINATION
5. 5. Introduction Existing System Proposed System Architecture ConclusionAlert propagation based on hierarchies of clinical staﬀ Senior Doctors ⇑ Junior Doctors ⇑ Head Nurse ⇑ NursesIn current senario, the decision for propagation is dependon the person responsible at the lower level. DYNAMIC ALERT LEVEL DETERMINATION
6. 6. Introduction Existing System Proposed System Architecture ConclusionProposed System Instead of a static system Dynamic System is generated The alerts will be dynamically generated. The system dynamically compute the seriousness of the alarm condition on a continuous basis. The Dynamic system consider both the facts ⇒ Hierarchies of clinical staﬀ ⇒context of the recipient DYNAMIC ALERT LEVEL DETERMINATION
7. 7. Introduction Existing System Proposed System Architecture ConclusionDiﬀer alerts are ⇒ Audio alert ⇒ Text alertThe selection is based on the contex DYNAMIC ALERT LEVEL DETERMINATION
8. 8. Introduction Existing System Proposed System Architecture ConclusionArchitecture Figure: Architecture of Dynamic Alert Generator DYNAMIC ALERT LEVEL DETERMINATION
9. 9. Introduction Existing System Proposed System Architecture ConclusionArchitecture include Classiﬁer Decision Support System EMRClassiﬁer module classiﬁes the signal into Low,Normall,High,Very HighDecision Support System include Smart alarm generator Context aware rule set. DYNAMIC ALERT LEVEL DETERMINATION
10. 10. Introduction Existing System Proposed System Architecture ConclusionSmart alarm generator → controll module used to identify trendsRule set deﬁned by medicall experts DYNAMIC ALERT LEVEL DETERMINATION
11. 11. Introduction Existing System Proposed System Architecture Conclusion Example code 1IF<Pulse rate increasing>AND<Systolic blood pressure is decreasing>AND<Serum potassium level is increasing>THEN{Alert[Pulse_Rate_Dropping].level++;Alert[Pulse_Rate_Dropping].advise+=Increase fluid amount} Example code 2IF<Body Temperature exceeds Maximum Body Temperature>AND<Heart Rate exceeds Maximum Heart Rate threshold>THEN{Alert[Medium Alert Eventand contact available Duty Doctor]} DYNAMIC ALERT LEVEL DETERMINATION
12. 12. Introduction Existing System Proposed System Architecture Conclusion Table: Hourly Patient Monitoring DataTimeline hour Systolic Diastolic Pulse rate Serum potta- blood Pres- blood Pres- sium sure sure 4 130 90 80 4.5 5 135 85 85 4.5 6 110 80 90 4.5 7 100 75 110 5.0 8 90 70 120 5.5 9 90 60 120 5.5 10 90 60 130 5.5 11 85 60 130 5.8 12 85 50 130 5.9 13 85 50 130 6.5 14 80 50 130 6.5 15 80 50 130 6.6 16 70 50 130 6.8 17 70 50 130 6.8 18 100 50 130 6.2 DYNAMIC ALERT LEVEL DETERMINATION
13. 13. Introduction Existing System Proposed System Architecture ConclusionA conventional monitoring system generates an alarm at17th hour for systolic blood pressure dropDynamic alert generation system monitors the trends ofothers parameters like diastolic blood pressure, pulse rateand serum potassiumThe system will identify the systolic blood pressure dropat 11th hour.System starts increasing the alarm level corresponding toPulse rate Dropping DYNAMIC ALERT LEVEL DETERMINATION
14. 14. Introduction Existing System Proposed System Architecture ConclusionConclusion The alarms can be classiﬁed into diﬀerent categories based on the parameter being monitored Alerts generated when each one crosses a dynamically set threshold. The delivery of these alerts is based on Hierarchies of clinical staﬀ Seriousness of the alert and contex DYNAMIC ALERT LEVEL DETERMINATION
15. 15. Introduction Existing SystemProposed System Architecture ConclusionTHANK YOU DYNAMIC ALERT LEVEL DETERMINATION