physiological signal simulator
DESCRIPTION
Physiological Signal Simulator. Méabh Malone 09547771 Electrical & Electronic Engineering National University of Ireland, Galway Project Supervisor: Dr. John Breslin. Introduction. What is a physiological signal simulator? Reproduces physiological signals - PowerPoint PPT PresentationTRANSCRIPT
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Physiological Signal Simulator
Méabh Malone 09547771Electrical & Electronic Engineering
National University of Ireland, GalwayProject Supervisor: Dr. John Breslin
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What is a physiological signal simulator?◦ Reproduces physiological signals◦ Compare healthy versus unhealthy signals◦ Analyse disease characteristics◦ Manipulate signals◦ Communicate with devices such as phones and
monitors
Applications?◦ Medical training & education◦ Research & technology development◦ Sports & fitness
Introduction
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Low cost Easy to access Select, reproduce and analyse signals Intuitive Provide feedback Output data
Aims
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Project Breakdown
Project Specifications Block Diagram
Physionet
The ECG
LabVIEW code
User Interface design
Output data
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Study of the Heart and ECG
Selection and formatting of signals from Physionet
Reproduction of signals on LabVIEW
LabVIEW UI design
Progress to Date
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Concepts of the ECG Records electrical
activity of the heart In resting state
muscles are negatively charged
P-QRS-T Complex Changes occur with
heart disease Reference points
Depolarisation Repolarisation
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Selection of Signals
Tasks Completed Physionet File
Read data from Physionet files
Format files to only include relevant data
Save to format readable by LabVIEW
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JKI State Machine String based Queue State Machine Allow user actions to determine next state
Flowchart to Date
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LabVIEW UI to Date
User Interface
Load signal from file Heart Attack
Simulation◦ Select Interval
Normal P QRS P-R interval
Zoom and Scrollbar Ok – Stops program
User Options
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UI Improvements:◦ Include a List box◦ Read sampling frequency from file◦ Plot multiple ECG’s at the same time
Output to Hardware Amplifier or Bluetooth device◦ Research◦ Code
Testing of system Identification of limits
Project Plan
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Help advance research and development of medical technology at NUI, Galway
Conclusion