| electrokymograph |
an instrument for graphically recording motion of or changes in density of organs by recording variations in intensity of a small beam of x-rays. Its three essential parts are a fluoroscope, a pick-up unit, and a recording instrument; used especially for showing motion of the cardiac silhouette (see cardiokymography).
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| electrokymography |
the photography on x-ray film of the motion of the heart or other structures using an electrokymograph.
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