A system for delivering medical examination, diagnosis, and treatment services includes a plurality of health care practitioner terminals, each having a display device, a plurality of patient terminals in audiovisual communication with any of the health care practitioner terminals, a call center, in communication with the patient terminals and the health care practitioner terminals, routing a call from a patient at one of the patient terminals to an available health care practitioner at one of the health care practitioner terminals, so that the available health care practitioner may carry on a two-way conversation with the patient and visually observe the patient, and a protocol database containing a plurality of protocol segments such that a relevant segment of the protocol may be displayed in real time on the display device of the health care practitioner terminal for use by the available health care practitioner in making an assessment of the patient.