Anna University Biomedical Instrumentation Notes – BM2251 BI Lecture Notes, Subject Notes Biomedical 4th Semester, BME notes
Anna University Biomedical Instrumentation Notes – BM2251 Anna University Notes download. Here we have provided Biomedical Instrumentation Fourth (4th) Semester Notes – Biomedical Instrumentation and content of BM2251 Notes (Syllabus). download Anna University Biomedical Instrumentation Notes – BM2251 Lecture Notes, Subject Notes, Unit Wise Notes for BME 4th Semester.
BM2251 BIOMEDICAL INSTRUMENTATION ANNA UNIVERSITY NOTES – BM2251 NOTES
Subjects : Biomedical Instrumentation (BI)
Subject Code : BM2251
Department : Biomedical (BME)
Semester : 4th Sem
University : Anna University, Chennai
Anna University Biomedical Instrumentation Notes -BM2251 BI Notes download
Content in BM2251 Notes :
UNIT I BIO POTENTIAL ELECTRODES
Origin of bio potential and its propagation. Electrode-electrolyte interface, electrode–skin
interface, half cell potential, impedance, polarization effects of electrode – nonpolarizable
electrodes. Types of electrodes – surface, needle and micro electrodes and their
equivalent circuits. Recording problems – measurement with two electrodes.
UNIT II ELECTRODE CONFIGURATIONS
Biosignals characteristics – frequency and amplitude ranges. ECG – Einthoven’s triangle,
standard 12 lead system. EEG – 10-20 electrode system, unipolar, bipolar and average
mode. EMG, ERG and EOG – unipolar and bipolar mode.
UNIT III BIO AMPLIFIER
Need for bio-amplifier – single ended bio-amplifier, differential bio-amplifier – right leg
driven ECG amplifier. Band pass filtering, isolation amplifiers – transformer and optical
isolation – isolated DC amplifier and AC carrier amplifier. Chopper amplifier. Power line
UNIT IV MEASUREMENT OF NON-ELECTRICAL PARAMETER
Temperature, respiration rate and pulse rate measurements. Blood Pressure: indirect
methods – auscultatory method, oscillometric method, direct methods: electronic
manometer, Pressure amplifiers – systolic, diastolic, mean detector circuit.
Blood flow and cardiac output measurement: Indicator dilution, thermal dilution and dye
dilution method, Electromagnetic and ultrasound blood flow measurement.
UNIT V BIO-CHEMICAL MEASUREMENT
Biochemical sensors – pH, pO2 and pCo2, Ion selective Field effect Transistor (ISFET),
Immunologically sensitive FET (IMFET), Blood glucose sensors – Blood gas analyzers,
colorimeter, flame photometer, spectrophotometer, blood cell counter, auto analyzer
(simplified schematic description).
1. Joseph J. Carr and John M. Brown, “Introduction to Biomedical Equipment
Technology”, Pearson Education, 2004.
2. John G. Webster, “Medical Instrumentation Application and Design”, John Wiley and
sons, New York, 2004
1. Leslie Cromwell, “Biomedical Instrumentation and measurement”, Prentice hall of
India, New Delhi, 2007.
2. Khandpur R.S, “Handbook of Biomedical Instrumentation”, Tata McGraw-Hill, New
3. Standard Handbook of Biomedical Engineering & Design – Myer Kutz, McGraw-Hill
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