Unit 1 The Human Body

• An Overview Cell structure
• Body fluids
• Major systems of the body 3 7

Unit 2 Basic concepts of Medical Instrumentation

5 lecture hours

• Generalized medical instrumentation system
• operational modes
• medical measurement constraints
• classification of biomedical instruments

Unit 3 The Origin of Bio-potential

5 lecture hours

• Electrical activity of excitable cells- Resting states
• Nernst equation
• Active states
• Network equivalent circuit of nerve/ skeletal fiber
• propagation of action potential
• Volume conductor fields

Unit 4 Bio-potential Electrodes 8 18

• Subject Code : 3171721 Subject Name : Biomedical Instrumentation The electrode-electrolyte interface
• Polarizable and nonpolarizable electrodes
• Electrode behaviour and circuit models
• The electrode skin interface and Motion artifact
• Body-surface recording electrodes
• Internal electrodes
• Electrode arrays
• Electrodes for electric stimulation of tissue

Unit 5 Electrocardiography

10 lecture hours

• Electro - conduction system of the heart
• The ECG waveform &Wigger’s diagram
• Heart problems
• The standard lead system
• other ECG signals
• ECG Noises
• ECG amplification and signal
• conditioning circuits
• ECG readout devices

Unit 6 The Human nervous system & Brain function measurement

10 lecture hours

• Anatomy & physiology of nervous system
• Instrumentation for brain function measurement
• Cerebral angiography
• cranial x-rays
• brain scans
• ultrasonic equipment
• Electroencephalography: Neuron membrane potentials
• EEG electrodes and the 1-20
• EEG amplitude and frequency bands
• EEG diagnostic uses and sleep patterns
• EEG system block diagram
• Preamplifiers and EEG system specifications
• Visual and auditory evoked potential recordings
• EEG telemetry

Unit 7 Electrical Safety

4 lecture hours

• Physiological effects of electricity
• Important susceptibility parameters
• distribution of electric power
• Macroshock hazards
• Microshock hazards
• Electrical- Safety codes and standards