X-ray math frequently involves quick calculations of the exposure time (s) when other technical factors change such as the: kVp, mA, Bucky Factor (Grid Factor), or the SID (source to image distance).
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In this video we cover how to compensate for changes in the mA, Bucky Factor, SID and kVp by adjusting the exposure time (s). If you are using Automated Exposure Control (AEC) these compensations are happening automatically to the time but it is important to understand what to expect so that you will know if AEC is operating properly.
(x-ray maths for our english friends)
Other names for the x-ray math we are covering here include:
exposure time, exposure time in radiography, kVp, mA,time, SID, Bucky Factor, Grid Factor, 15% rule, radiologic technologist, 15 rule in radiology, inverse square law radiography
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