An implantable stimulator and monitor measures a group of heart failure parameters indicative of the state of heart failure employing EGM signals, measures of blood pressure including absolute pressure P, developed pressure (DPsystolic Pdiastolic P), and/or dP/dt, and measures of heart chamber volume...http://www.google.es/patents/US6438408?utm_source=gb-gplus-sharePatente US6438408 - Implantable medical device for monitoring congestive heart failure
Implantable medical device for monitoring congestive heart failure
