Summary Vascular technicians or vascular sonographers operate diagnostic equipment using ultrasound to record vascular information such as vascular blood flow, blood pressure, limb volume changes, oxygen saturation, cerebral circulation, peripheral circulation and abdominal circulation. Advises radiologists or referring physician of significant abnormalities that would require their immediate attention and visualization while the patient is undergoing examination. Qualifications Basic Requirements: United States Citizenship: Non-citizens may only be appointed when it is not possible to recruit qualified citizens in accordance with VA Policy Education: There are no specific educational requirements for this occupation