The Senior Cardiac Sonographer performs a variety of technical duties required in non-traumatic, non-invasive examinations using phono-apexcardiograms, imaging duplex and ultrasound equipment; positions patients and operates equipment to produce the most reliable and informative data; explains procedures to patients; and more! Massachusetts, Grove Hall, Boston, Brookline, Cambridge, Somerville, Medford, Milton, Quincy, West Roxbury, Newton, Medford, Arlington, Chelsea, Everett, Malden, Revere, Saugus.