Technique Of Sinus Radiography Caldwell And Waters Views Clinical Chest x-ray an easy to understand guide covering causes, diagnosis, symptoms, treatment and prevention plus additional in depth medical information. medically reviewed by drugs. com. last updated on may 11, 2020. doctors have used x-rays f. Objective: to determine whether a single waters view (occipito-mental) radiograph could be substituted for a four-view sinus series to diagnose sinusitis, and to determine the interand intraobserver variabilities for sinus radiography. What is it? a chest x-ray is a picture of the heart, lungs and bones of the chest. a chest x-ray doesn’t show the inside structures of the heart though. why is it done? a chest x-ray shows the location, size and shape of the heart, lungs and. The waters view is obtained with the chin raised and placed on the x-ray cassette and with the nose 1-1. lima cm off the plate while the x-ray beam stands perpendicular to the cassette. in this projection the fr...