VisualDx is a diagnostic clinical decision support system designed to enhance diagnostic accuracy, aid therapeutic decisions, and improve patient safety. With a strong dermatology component, this application can help quickly build a differential to evaluate the possibilities, compare variations, and improve diagnostic accuracy. Its vast medical image library includes many skin types, and pigments effectively providing access to clinical information and images at the point of care, on any device - mobile, tablet, or desktop. Images may be used in course management systems.