Medical Electronics

FORMAT: QP09 KCE/DEPT. OF ECE
ME-5.1 KCE/ECE/QB/ III YR/ ME
DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING
SUBJECT NAME: MEDICAL ELECTRONICS
YEAR/SEMESTER: III /V
QUESTION BANK (EC8073)
(Version: 3)
PREPARED BY
Mrs.U.JEYAMALAR, AP/ECE

EC8073 MEDICAL ELECTRONICS L T P C
3 0 0 3
SYLLABUS
UNIT I ELECTRO-PHYSIOLOGY AND BIO-POTENTIAL RECORDING 9
Sources of bio medical signals Bio-potentials; biopotential electrodes, biological amplifiers, ECG,
EEG, EMG, PCG, typical waveforms and signal characteristics.
UNIT II BIO-CHEMICAL AND NON ELECTRICAL PARAMETER MEASUREMENT 9
pH, PO2, PCO2, colorimeter, Blood flow meter, cardiac output, respiratory, blood pressure,
temperature and pulse measurement, Blood Cell Counters.
UNIT III ASSIST DEVICES 9
Cardiac pacemakers, DC Defibrillator, Dialyser, Ventilators, Magnetic Resonance Imaging Systems,
Ultrasonic Imaging Systems.
UNIT IV PHYSICAL MEDICINE AND BIOTELEMETRY 9
Diathermies- Shortwave, ultrasonic and microwave type and their applications, Surgical Diathermy
Telemetry, Biotelemetry.
UNIT V RECENT TRENDS IN MEDICAL INSTRUMENTATION 9
Telemedicine, Insulin Pumps, Radio pill, Endomicroscopy, Brain machine interface, Lab on a chip.
TOTAL: 45 PERIODS
Signature of Staff Incharge HOD/ECE

DEPARTMENT OFELECTRONICS ANDCOMMUNICATIONENGINEERING
COURSE PLAN (THEORY)
Sub. Code : EC8073 Branch / Year / Sem.: B.E ECE / III /V
Sub.Name : Medical Electronics Batch : 2019-2023
Staff Name : Mrs.U.Jeyamalar Academic Year : 2021-2022 (ODD)
COURSE OBJECTIVE
1. To gain knowledge about the various physiological parameters both electrical and non
electrical and the methods of recording and also the method of transmitting these
parameters.
2. To study about the various assist devices used in the hospitals.
3. To gain knowledge about equipment used for physical medicine and the various recently
developed diagnostic and therapeutic techniques
TEXT BOOK:
T1. Leslie Cromwell, “Biomedical Instrumentation and Measurement”, Prentice Hall of India,New
Delhi, 2007. (UNIT I – V)
REFERENCES:
R1. Khandpur, R.S., “Handbook of Biomedical Instrumentation”, TATA McGraw-Hill, New Delhi,
2003.
R2.John G.Webster, ―Medical Instrumentation Application and Design‖, 3rd Edition, Wiley IndiaEdition,
2007.
R3. Joseph J.Carr and John M.Brown, ―Introduction to Biomedical Equipment Technology‖, John Wiley
and Sons, New York, 2004.
WEB RESOURCES:
W1. https://nptel.ac.in/courses/108/105/108105101/ (Topic.No: 01)
W2. https://www.slideshare.net/nishanthip7/phonocardiographypcg (Topic.No: 06)
W3. https://courses.washington.edu/conj/heart/cardiacoutput.ht (Topic.No: 10)
W4. https://www.slideshare.net/NIVETASINGH/ultrasound-imaging-49900492 (Topic.No: 18)
W5. https://www.slideshare.net/ShivrajSharma5/diathermy-63558422.ppt (Topic.No: 21)
W6. https://www.medtronicdiabetes.com/treatments/insulin-pump-therapy (Topic.No: 24)
W7. https://www.scribd.com/doc/62511424/Brain-machine-interface-PPT (Topic.No: 27)
W8. https://www.rsc.org/binaries/loc/2010/pdfs/Papers/002_9002.pdf (Topic.No:28)

Topic
No
Topic
Books
for
Reference
Page No. Teaching
Methodology
No. of
Hours
Required
Cumulative
No. of
periods
UNIT I ELECTRO-PHYSIOLOGY AND BIO-POTENTIAL RECORDING (9)
1.
Sources of bio medical signals,
Bio-potentials; biopotential
electrodes.
T1
T1
W1
49-57
63-76
BB
NPTEL
2 2
2. Biological amplifiers T1 109-111 BB 1 3
3.
ECG Typical waveforms and
signal characteristics.
T1
R1
55-57
154 –166
BB 2 5
4.
EEG Typical waveforms and
T1
R1
57-61
170-178
BB 2 7
5.
EMG Typical waveforms and
T1
R1
61-62
178-182
BB 2 9
6.
PCG Typical waveforms and
R1
W2
167-170
WEB
PPT 1 10
LEARNING OUTCOME
At the end of unit, students should be able to
 Understand the source of biopotentials and theelectrodes used to measure them.
 Acquire knowledge about various physiological waveforms and signal characteristics.
 Know the use of EEG, ECG, EMG and PCG regarding.
UNIT II BIO-CHEMICAL AND NON ELECTRICAL PARAMETER MEASUREMENT ( 9)
7. pH, PO2 , PCO2 R1 421-430 BB 2 12
8. Colorimeter T1 351-357 BB 1 13
9. Blood flow meter T1 150-162 BB 2 15
10. Cardiac output T1,W3 92-100 PPT 1 16
11.
Respiratory measurement,
Blood pressure
R1
T1
232-234
208-216
BB 2 18
12.
Temperature, pulse, Blood Cell
Counters.
R1 204-208 BB 2 20
LEARNING OUTCOME
 Know the use of the instruments required to measure various biological parameters.
 Understand the functioning of heart and measurements of cardiac parameters.
 Acquire knowledge about Respiratory system
UNITIII ASSIST DEVICES (9)
13. Cardiac pacemakers T1 195-206 BB 3 23
14. DC Defibrillator T1 206-212 BB 2 25
15. Dialyzer R1 789-795 BB 2 27
16. Ventilators T1 238-241 BB 1 28
17.
Magnetic Resonance Imaging
Systems
R1 592-621 BB 1 29
18. Ultrasonic Imaging Systems T1,W4 260-263 PPT 1 30

Topic
No.
Topic
Books
for
Reference
Page No.
Teaching
Methodology
No. of
Hours
Required
Cumulative
No. of
periods
LEARNING OUTCOME
 Know the working principle of cardiac pacemakers.
 Acquire knowledge on the working of defibrillators.
 Understand the functioning of dialyzer and ventilators.
UNIT IV PHYSICAL MEDICINE AND BIOTELEMETRY (9)
19. Diathermies R2 219-223 BB 2 32
20.
Shortwave, Ultrasonic and
microwave type and their
applications
R1 760-765 BB 3 35
21. Surgical Diathermy R1,W5 728-742 PPT 2 37
22. Biotelemetry R2 310-320 BB 3 40
LEARNING OUTCOME
 Learn various types of diathermy, their advantages and applications.
 Understand the principle of biotelemetry and its advantages.
 Acquire knowledge on electrical safety measures to be followed in hospitals.
UNIT V RECENT TRENDS IN MEDICAL INSTRUMENTATION (9)
23. Telemedicine R2, 303-311 BB 2 42
24. Insulin Pumps W6 WEB BB 2 44
25. Radio pill T1 430-447 BB 2 46
26. Endomicroscopy T1 356-359 BB 2 48
27. Brain machine interface W7 WEB PPT 1 49
28. Lab on a chip W8 WEB BB 1 50
LEARNING OUTCOME
 Understand the need and advantages of Thermograph and Endoscopy unit.
 Acquire knowledge about the use of LASER in medicine.
 Acquire fundamental knowledge about the principle of telemedicine and its use.
COURSE OUTCOMES:
Upon completion of the course, students will be able to
 Know the human body electro- physiological parameters and recording of bio-potentials
 Comprehend the non-electrical physiological parameters and their measurement – body
temperature, blood pressure, pulse, blood cell count, blood flow meter etc.
 Interpret the various assist devices used in the hospitals viz. pacemakers, defibrillators,
dialyzers and ventilators.
 Comprehend physical medicine methods eg. ultrasonic, shortwave, microwave surgical
diathermies, and bio-telemetry principles and methods.
 Know about recent trends in medical instrumentation.

CONTENT BEYOND THE SYLLABUS
 Introduction about the spiral MRI.
INTERNAL ASSESSMENT DETAILS
ASST. NO. CAT-I CAT-II MODEL
Topic Nos. 1-10 11-18 1-28
Date
INTERNAL ASSIGNMENT DETAILS
ASSIGNMENT I II
Topic Nos. 1-10 PCE
Deadline
ASSIGNMENT DETAILS
ASSIGNMENT-I (20 Marks)
(Before CAT-I)
ASSIGNMENT-II (20 Marks)
(Before CAT-II)
Topic for Reference: (1-12) PCE Activity
Part-A
1. Define absolute and relative refractory period.
2. State all or none law.
3. List the frequency bands of EEG signals.
4. What are the requirements of bio amplifier?
5. Which flow meters are used to measure
pulsatileflow of blood?
Part-B
1.Discuss about ECG and explain the
working of an ECG machine with suitable
block diagram along with its various lead
configurations.
2. Describe the measurement of pH, PO2, PCO2.
3. (i) Discuss in detail about 10-20 lead systems.
(ii) Describe the typical EMG waveform
and itscharacteristics.
Activity 1: Case study presentation
 ECG Typical waveforms and
signalcharacteristics.
 EEG Typical waveforms and
signalcharacteristics.
Activity 2: Quiz
 Google classroom.
 Testmoz.
Activity 3: Industrial Visit
Activity 4: APH
 Cardiac pacemakers
 DC Defibrillator
Activity 5: Paper presentation-Intra
Department Activity
 Bio-medical Applications.
Activity 6: Application of concept
 Recent Trends in Medical
Instrumentation.

COURSE ASSESSMENT PLAN
CO Co Description Weightage CAT1 CAT2 MODEL Assign.1 PCE AU
CO1 Know the human
body electro-
physiological
parameters and
recording of bio-
potentials
20%     
CO2 Comprehend
the non-
electrical
physiological
parameters
and their
measurement
– body
temperature,
blood
pressure,
pulse, blood
cell count,
blood flow
meter etc.
20%     
CO3 Interpret the
various assist
devices used
in the
hospitals viz.
pacemakers,
defibrillators,
dialyzers and
ventilators.
20%     
CO4 Comprehend
physical
medicine
methods eg.
ultrasonic,
shortwave,
microwave
surgical
diathermies,
and bio-
telemetry
principles
and methods.
20%     
CO5 Know about recent
trends in medical
instrumentation.
20%    

COURSE OUTCOME ALIGNMENT MATRIX - MODEL EXAM SAMPLE QUESTION SET
Q.No. Question Marks CO BTL PI
1 State all or none law. 2 CO4 L2 1.3.1
2 What is meant by conduction velocity? 2 CO4 L2 2.1.2
3 Define cardiac output. 2 CO1 L2 3.1.1
4 State Beer’s law. 2 CO5 L2 1.4.1
5
Distinguish between endocardiac and myocardiac
electrodes.
2 CO5 L2 2.1.3
6
Mention few differences between internal and external
defibrillator.
2 CO5 L1 1.3.1
7
What are the choices of radio carrier frequency for
medical telemetry purposes?
2 CO1 L1 1.3.1
8 Define let go current. 2 CO1 L1 1.3.1
9
Define the physical factors which affect the amount of
infrared radiation from human body.
2 CO5 L1 1.3.1
10 Mention few applications of lasers in medicine. 2 CO1 L1 1.3.1
11.a
Discuss the genesis of ECG and explain the working of an
ECG machine with suitable block
diagram along with its various lead configurations.
13 CO1 L4 1.3.1
11.b
What is known as biopotential electrodes? Draw its
equivalent circuit. Explain various types of biopotential
electrodes with suitable diagram.
13 CO4 L5 3.1.6
12.a.
With suitable diagram describe how ultrasound
principles are used in measuring the flow of blood.
13 CO1 L4 3.1.6
12.b.i.
Define blood pressure. How it can be measured using
Sphygmomanometer?
6 CO5 L2 4.2.1
12.b.ii
How the lung volume can be measured? Explain with
necessary diagram.
7 CO1 L2 4.2.2
13.a
How pacemakers are classified based on the modes of
operation? Draw the block diagram of stand by and
demand pacemakers and explain its working principles.
13 CO1 L5 2.1.3
13.b
Enumerate the following: (i) Oxygenator (ii) Peritoneal
dialysis.
10 CO5 L1 3.1.6
14.a
Define diathermy. Draw the circuit diagram of a short
wave diathermy unit and discuss its impact on therapy
purpose in detail. Also briefly describe how it can be
applied to human subjects.
6 CO2 L3 1.3.1
14.b.i Explain the working of a ground fault interrupter. 6 CO5 L3 3.3.1
14.b.ii
With suitable diagram, explain how the ECG signal can
be transmitted using single channel telemetry system.
7 CO5 L3 3.4.1
15.a
Explain the infrared thermo graphic instrumentation
with suitable block diagram and what are the different
medical applications.
6 CO5 L6 1.3.1
15.b.i write a note on cryogenic surgery. 6 CO5 L6 4.2.1
15.b.ii Write a note on endoscopy unit. 7 CO5 L6 4.2.1
16.a 15 CO5 L1 3.1.6
16.b 15 CO1 L2 3.1.6

AssessmentPaperQualityMatrix( APQM)
PART BTL1 BTL2 BTL3 BTL4 BTL5 BTL6
A 1,2,3,4,5 6,7,8,9,10
B
11.(a)
11.(b)
12.(a)
12.(b)
13.(a)
13.(b)
14.(a)
14.(b)
15.(a) 15.(b)
C 16.(a) 16.(b)
TOTAL 23 % 23 % 13 % 13 % 14 % 14 %
Distribution 46% 26% 28%
Prepared by Verified by
Mrs.U.JEYAMALAR HOD/ECE
Approved by
PRINCIPAL
REVIEW SHEET
After Completion of syllabus
Facultyexperienceinhandling/ coveringsyllabus
Unit I :
Unit II :
Unit III :
Unit IV :
Unit V :

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