Computer-based systems and software therefore having medical diagnostic devices, namely, blood pressure measuring apparatus, pulse rate monitors, devices for measuring body temperature, pulse oximetry analyzers, electronic stethoscopes, blood glucose monitors, devices for measuring weight, and spirometers for enabling measurements of vital signs and diagnostic testing of patients at various locations and transfer of information pertaining to said measurements over a communication medium, namely, a telephone connection, network interface, or the global computer information network, to a central monitoring station; computer software, sold as an integral component of computer-based systems, for enabling measurement of vital signs and diagnostic testing of patients at various locations and transfer of information pertaining to said measurements over a communications medium, namely, a telephone connection, network interface, or the global computer information network, to a central monitoring station