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.
This problem might not only affect your lower extremities, but also your legs and thighs. The reasons why people suffer from swollen feet and ankles include: Being overweight. The development of a blood clot in the leg. Being elderly. A leg infection. The veins are unable to pump blood back to your heart.