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.
Edema can also be an early sign of kidney disorder, heart or liver problems. Gout is another common cause of swelling of the feet and ankles. Gout occurs as a result of crystallization and accumulation of uric acid in the joints, in this case in the ankle joint. This causes inflammation and inflammation causes swelling.Swelling of the ankles can be a symptom of arthritis as well.out is another common cause of swelling of the feet and ankles. Gout occurs as a result of crystallization and accumulation of uric acid in the joints, in this case in the ankle joint. This causes inflammation and inflammation causes swelling.