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Course Detail

Course Name Biomedical Instrumentation
Course Code 15ECE315
Program B. Tech. in Electronics and Communication Engineering
Year Taught 2019


Unit 1

Cell resting potential and action potentials – Origin of bio potentials – characteristics – Frequency and amplitude ranges – ECG – Einthoven’s triangle – 3 lead ECG system – EEG – 10- 20 electrode system – Origin and characteristics of EMG – EOG – ERG electrodes and transducers. Electrode-electrolyte interface – Electrode – skin interface – Half cell potential – Impedance – Polarization effects of electrode – Nonpolarizable electrodes. Types of electrodes – Surface; needle and micro electrodes – ECG – EMG – EEG Electrodes.

Unit 2

Diagnostic and Therapeutic Equipments: Blood pressure monitors – Electrocardioscope – Pulse Oximeter – pH meter – Auto analyzer – Pacemakers – Defibrillator – Heart lung machine – Nerve and muscle stimulators – Dialysis machines – Surgical diathermy equipments – Nebulizer; inhalator – Aspirator – Humidifier – Ventilator and spirometry.

Unit 3

Medical imaging techniques: Basics of diagnostic radiology – Production – Nature and properties of X rays – X-ray machine – Block diagram – Digital radiography – CT – Basic Principle – Block diagram – Radioisotopes in medical diagnosis – Physics of radioactivity – Gamma Camera. Block diagram – SPECT Scanner – PET Scanner – Principles of NMR Imaging systems – Block diagram of NMR Imaging System – Ultrasonic Imaging Systems – Physics of Ultrasound waves – Doppler effect – Medical Ultrasound Electrical safety: Physiological effects of electricity. Micro & macro shock hazards – Electrical Safety codes and standards – Protection of patients.

Text Books

  • R S Khandpur, “Handbook of Biomedical Instrumentation”, 1st ed., Tata McGraw Hill Publishing Company Limited, 2004.


  • John G Webster, “Medical Instrumentation – Application and Design”, 4th ed., John Wiley and Sons, 2007.
  • Leslie Cromwell, Fred. J. Weibell, Erich. A. Pfeiffer, “Biomedical Instrumentation & Measurements, 2nd ed., Pearson Education., 2001.

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