A system for therapeutic stimulation of a patient's heart includes means for varying the escape interval or rate of a means for producing pacing pulses. Pressure sensing means sense pressure at a site in the circulatory system of a patient. Signal producing means respond to output from the sensing means...http://www.google.ca/patents/US4899752?utm_source=gb-gplus-sharePatent US4899752 - System for and method of therapeutic stimulation of a patient's heart
