BME 4710 - Biomedical Instrumentation II

• Quantitatively predict electrical field distribution for simple geometries in a 3-dimensional body
• Design, construct, and test prototype circuits to detect and process electrical signals produced by the body
• Account for the electrical behavior of electrodes in recording biopotentials of human beings
• Recognize and mitigate the interference and noise in recording biological signals including the ones captured by human beings
• Convert signals between digital and analog forms
• Employ circuit simulation in the analysis and design of medical instrumentation

• Use of diodes as sensor, actuator, rectifier, and regulator
• Basic electronic circuitry using operational amplifiers to amplify signals
• Effects of non-ideal operational amplifier properties on circuit performance

• Noise analysis
• Electromagnetic interference
• Instrumentation amplifiers
• Biopotentials and the electrical behavior of biopotential electrodes
• Voltage and current distribution in tissue from point, cylindrical, and flat surfaces
• DC offset, common mode, and high frequency interference in biopotential amplifier design and recording
• ECG design and analysis
• Analog to digital and digital to analog conversion

• 60Hz and RF interference
• Measurements of very low impedance
• Measurements of distributed impedance
• Measurements of electrical parameters of biological media
• Temperature and flow measurements
• ECG circuit design and realization
• Software, A/D conversion and user interface of an electrocardiogram