1. An interactive system for monitoring the condition of a patient by a health practitioner, said patient located at a remote location from a central monitoring station and capable of activity of the head and face, said health practitioner located at the central station, the system comprising, in combination: a) first audio-visual means for generating a first audio-visual signal of said patient at the remote location; b) means for generating medical signals representative of a measured medical condition, said means for generating including the visual and the audio transmission signal for specified anatomical, morphological and expression features of the head and face of the patient and changes in said anatomical, morphological and expression features of the head and face of said patient in response to patient performance of commands affecting the head and face within the audio and visual field of the means for generating the first audio visual signal; c) a central monitoring station; d) means for measuring the medical condition of said patient at the central station, said means for measuring including means for audibly and visually observing and measuring specified anatomical, morphological and expression features of the head and face of said patient; e) means for transmission of said first audio-visual signal to said central station; g) display means at said central station for display of said first audio-visual signal including said medical signals; h) means at the central station for recordal and analysis of the anatomical, morphological and expression feature measurements of said patient; i) second audio-visual means for generating a second audio-visual signal of said health practitioner originating from said central station; j) means for transmission of said second audio-visual signal to said remote location; and k) means for display of said second audio-visual signal at said remote location for observation by the patient simultaneously with transmission of the first audio-visual transmission; whereby said patient and said health practitioner are capable of substantially simultaneous interactive communication concerning said medical condition.