In digital radiography the sensors shape a plate, but in the EOS system, which is a slot-scanning system, a linear sensor vertically scans the patient. Plain radiography was the only imaging modality available during the first 50 years of radiology.
4) Pregnancy. Pregnancy is another of the common causes of swollen feet and ankles. There are three reasons for this: a) the excess weight gained puts more pressure on the legs and feet. b) the expanding uterus can place pressure on the blood vessels for the legs and. c) pregnancy hormones cause the body to retain fluids.
Swollen legs feet and ankles are caused by water retention.... Swollen legs feet and ankles are caused by water retention. When your circulation has problems working against the effects of gravity, your blood collects in the lower part of your body. The extra pressure on your blood vessels makes them leak fluid into the tissues of your legs feet and ankles.