Patients may operate a CPAP system to deliver appropriate airway pressure at their home. A patient's apnea problem ca be diagnosed at home without supervision with a CPAP device which delivers a continuously minimum appropriate pressure for substantially the entire period of therapy. ...http://www.google.com/patents/US20020100477?utm_source=gb-gplus-sharePatent US20020100477 - Method and apparatus useful in the diagnosis of obstructive sleep apnea of a patient
