12 OSCILLOSCOPE 2007 - Introduction to the Nerve/Muscle...

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Unformatted text preview: Introduction to the Nerve/Muscle Physiology Labs The digital oscilloscope, EMG, EKG Outline A. Importance of potentials in biology B. Recording of electric fields from surface of body: skeletal muscle C. Recordings of electric fields from surface of body: the heart D. The digital oscilloscope a. Sampling b. Triggering Why should you be interested in electrical potentials in biology? A. They are present across the membranes of all cells and are necessary for maintenance of the internal fluid composition. B. They are the basis of nerve impulses that underlie the functioning of the brain and all our senses. C. They are the basis of the rhythm of the heart and the contraction of heart muscle as well as the contraction of skeletal muscle D. They are useful in clinical medicine for diagnosis. What is your experience? A. I have used an oscilloscope before B. I have had an emg or ekg C. Both of the above apply to me D. None of the above apply to me EMG Electromyogram EKG Electrokardiogram alternatively, ECG Electrocardiogram le...
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This note was uploaded on 11/10/2008 for the course BIO 206L taught by Professor Unknown during the Spring '08 term at University of Texas at Austin.

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12 OSCILLOSCOPE 2007 - Introduction to the Nerve/Muscle...

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