VisualDx is a diagnostic decision support system designed by clinicians to aid medical professionals in the diagnosis of visually identifiable diseases. It provides instant access to specialist knowledge at the point of care, merging medical images with concise clinical text. As the clinician enters actual patient findings, VisualDx creates a visual differential diagnosis. The software includes more than 16,000 images representing over 900 visually identifiable diseases, drug reactions, and infections. VisualDx is a multi-use tool designed for day-to-day clinical diagnosis, emergency preparedness, and medical education.