LECTURE NOTES ON MEDICAL ELECTRONICS

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1. Introduction to Medical Electronics

2. Coupling mechanisms of external noise

  • Lecture notes 2a

    • coupling through fields

    • coupling conductively

    • other mechanisms

  • Lecture notes 2b

    • example: noise factors in the recording of the ECG

  • references:

    • P.J. Fish: Electronic Noise and Low Noise design: Chapter 3. Noise Connected with Layout or Construction

    • Webster: Medical Instrumentaion. Chapter 6. Biopotential amplifiers

3. Biopotential electrodes

  • Lecture notes 3

    • electrochemical basis of electrodes

    • equivalent circuit

    • electrode-skin interface

    • electrode noise

4. Cabling and grounding

  • Lecture notes 4a

    • effect of shielded cables on capacitive coupling

    • effect of shielded cables on inductive coupling

  • Lecture notes 4b

    • grounding principles

    • ground loops

5. Intrinsic noise sources

6. Active device noise

7. Amplifiers, opamps, parameters

8. Amplifier noise, special issues related to the biopotential amplifier, isolation

9. Patient safety

10. Bioimpedance

11. Holter recording, Pacemakers

12. Sleep recording technologies – Lecturer: Atte Joutsen

  • Lecture notes

    -sleep recordings in Tampere University Hospital

    -sensors, recorders, software

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