A method of digital image subtraction in which the frame tha…

A method of digital image subtraction in which the frame that contains the greatest amount of contrast material in vessels is identified and is then subtracted from all subsequent images.  Live fluoroscopic images of the catheter moving through the vasculature can then be seen even after the vessels contain less contrast defines _____.

Which of the following are true regarding fluoroscopic units…

Which of the following are true regarding fluoroscopic units? The cumulative timer is audible and will active after 5 minutes of fluoroscopic time The control switch must be of the dead-man type The primary protective barrier of 1.5 mm lead equivalent is required

Which of the following are true in regards to ABC? ABC stan…

Which of the following are true in regards to ABC? ABC stands for Actual Brightness Calculation The ABC increases or decreases mA to compensate for various body thickness The purpose of ABC is to maintain image density and contrast at a constant brightness Rapid changes in body thickness can cause the ABC to lag behind