Profile: Lifesign is a medical diagnostic company that specializes in point of care testing products. Our line of products are used for the detection of medical conditions and illnesses that include infectious disease, women’s health, abused drugs & cardiac markers. Our configurable electronic real-time assessment system (CERTAS) is a desktop windows program that allows researchers and clinicians to construct questionnaires of any type using a drag & drop graphical interface that gives branching capabilities.