Paper Code: ETIT-414                                                                     L    T     C

Paper: BIO- MEDICAL ELECTRONICS                                           3    1      4

INSTRUCTIONS TO PAPER SETTERS:                                                                               MAXIMUM MARKS: 75       

1.     Question No. 1 should be compulsory and cover the entire syllabus. This question should have objective or short answer type questions. It should be of 25 marks.

2.     Apart from Q. No. 1 rest of the paper shall consist of four units as per the syllabus. Every unit should have two questions. However, student may be asked to attempt only 1 question from each unit. Each question should be of 12.5 marks.

Unit I

Introduction: The age of Biomedical engineering Development of Biomedical Instrumentation, Man- Instrumentation system , Components , Physiological system of the body , Problem encountered in measuring a living system.

Transducers & Electrodes: The Transducers & Transduction principle, Active transducers, Passive Transducers ,  transducer for Biomedical Applications.

Sources of Biomedical Potentials.: Resting & Action potentials , Propagation of active potential , The Bioelectric potential – ECG , EEG , EMG , and Evoked responses.                                    [No. of Hours: 11]

Unit II

Electrodes: Electrode theory, Biopotential Electrodes- Microelectrodes Body surface electrodes, Needle Electrodes, Biochemical transducers, Reference electrodes, PH electrodes, Blood Gas electrodes.

Cardiovascular Measurements: Electrocardiography – ECG amplifiers, Electrodes & leads, ECG recorders – Three channel, Vector Cardiographs, ECG system for stress testing, Continuous ECG recording (Holter Recording), Blood pressure measurement, Blood flow measurement, Heart sound measurements.                                                                                                               [No. of Hours: 11]

Unit III

Patient Care & Monitoring – Elements of Intensive care monitoring, patient monitoring display , Diagnosis,  Calibration & reparability of patient monitoring equipment pacemakers & Defibrillators.

Measurement in Respiratory system: Physiology of respiratory system Measurement of breathing mechanics Spiro meter, Respiratory therapy equipments Inhalators ventilators & Respirators , Humidifiers , Nebulizers Aspirators.                                                                                   [No. of Hours: 11]

Unit IV

Diagnostic Techniques:  Ultrasonic Diagnosis, Eco- Cardiograph, Eco Encephalography, Ophthalmic scans, X- Ray & radio – isotope Instrumentation, CAT scan, Emission Computerized Temenography, MRI.

Bio Telemetry : The Components of a Biotelemetry system Implant able units, Telemetry for ECG measurements during exercise , for Emergency patient monitoring .

Other Prosthetic devices like Hearing Aid, Myoelectric Arm, special aspects- safety of medical Electronics Equipments, Shock hazards from Electrical equipment and prevention against them.

[No. of Hours: 11]

Text Books:

1.      Khandpur R.S. /  Biomedical Instrumentation / TMH

2.      Tompkins / Biomedical DSP : C Language Examples and Laboratory Experiments for the IBM PC/ PHI.

3.      Cormwell / Biomedical Instrumentation and Measurements / PHI.