lecture07 - BIEN 130: Bioinstrumentation L07 April 21, 2009...

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BIEN 130: Bioinstrumentation L07 April 21, 2009 Hyle Park
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Questions? Go over answers to homework
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Generalized bioinstrument
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Electrocardiogram Signal processing Output display Measurand Sensor
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Non-electronic bioinstruments Traditional doctor’s handbag Thermometer Stethoscope Sphygmomanometer Otoscope Ophthalmoscope Reflex hammer Phlebotomy kit Body fat calipers spirometer
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Thermometer Operating principle Thermal expansion of a liquid A reservoir of liquid expands or contracts with temperature The expansion/contraction is confined to a very thin region, and the height of the column can be calibrated to temperature Why use mercury? Why aren’t these used today?
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Thermometer Measurand Sensor Signal processing Output display
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Stethoscope Operating principle Sound conduction
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Stethoscope Measurand Sensor Signal processing Output display
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Sphygmomanometer Operating principle
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This note was uploaded on 02/17/2010 for the course BIEN 130 taught by Professor Park during the Spring '10 term at UC Riverside.

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lecture07 - BIEN 130: Bioinstrumentation L07 April 21, 2009...

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