The invention disclosed herein relates to an implantable medical device for detection and treatment of syncope comprising an algorithm for determining the presence of syncope based on physiological activity associated with the onset of a syncopal episode, and a means for infusion a drug. Drug infusion...http://www.google.com/patents/US6078834?utm_source=gb-gplus-sharePatent US6078834 - Device and method for detection and treatment of syncope