What's radical in the world in the nuclear imaging? Digirad. The company makes and sells nuclear imaging equipment and provides mobile imaging services. Nuclear imaging uses low-level radioactive drugs introduced into a patient's bloodstream to detect heart disease, cancer, and neurological disorders. The company leases its equipment and provides staffing through the Digirad Imaging Solutions (DIS) unit which allows doctors to offer imaging in their offices with less capital investment. DIS also provides mobile cardiovascular ultrasound services. Digirad sells larger solid state cameras through its Product segment using a direct sales force and distributors in the US.