4-Different Biopetential, electrode analysis-10-Dec-2018Reference Material I_Biopotential Electrodes - Bio Potential electrodes Body Surface Recording

4-Different Biopetential, electrode analysis-10-Dec-2018Reference Material I_Biopotential Electrodes

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Bio Potential electrodes
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Body Surface Recording Electrodes 1. Metal Plate Electrodes (historic) 2. Suction Electrodes (historic interest) 3. Floating Electrodes 4. Flexible Electrodes Electrode metal Electrolyte Think of the construction of electrosurgical electrode And, how does electro-surgery work?
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Commonly Used Biopotential Electrodes Metal plate electrodes Large surface: Ancient, therefore still used, ECG Metal disk with stainless steel; platinum or gold coated EMG, EEG smaller diameters motion artifacts Disposable foam-pad: Cheap! (a) Metal-plate electrode used for application to limbs. (b) Metal-disk electrode applied with surgical tape. (c)Disposable foam-pad electrodes, often used with ECG
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Commonly Used Biopotential Electrodes Suction electrodes - No straps or adhesives required - precordial (chest) ECG - can only be used for short periods Floating electrodes - metal disk is recessed - swimming in the electrolyte gel - not in contact with the skin - reduces motion artifact Suction Electrode
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