The present invention provides a system and method for monitoring the ventilation support provided by a ventilator that is supplying a breathing gas to a patient via a breathing circuit that is in fluid communication with the lungs of the patient. The ventilator has a plurality of selectable ventilator...http://www.google.de/patents/US6796305?utm_source=gb-gplus-sharePatent US6796305 - Ventilator monitor system and method of using same