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.
Swollen ankles and feet. Swollen ankles and swollen feet are common and are often caused by fluid retention, or oedema. The cause of the swelling can range from an injury to medical conditions. Seek medical advice if you are concerned about swollen feet or ankles.
Pregnancy is another of the common causes of swollen feet and ankles. There are three reasons for this: Severe swelling of feet in pregnancy can be a sign of pre-eclampsia which is a medical emergency so always discuss it with your doctor or midwife.