The first secret is that we describe CT scan findings as 'densities', of which there are three common easily identifiable ones to learn. 'In general the higher the density the whiter the appearance on the CT scan and the lower the density the darker the appearance on the brain CT scan.'...
8 CT Basics CT principle preprocessing CS TC 22 PGA decoding Amplification 64:If the signal from the detector was very small (i.e., high absorption in the scanfield), the amplifier will have used a factor of 64. The resulting data in the SMI will be the 14 bit from the ADC, preceed...
In this chapter we will examine the basic densities (the language of brain CT scan), the principles of comparing left and right sides and the location of the CSF spaces as the basis for understanding abnormalities. You will then have opportunity to assess how quickly you have mastered these ...