A method and apparatus for improving the diagnostic performance of a probe system (30) for detecting a medical condition in a patient by sensing volume changes in a monitored body part due to pulsatile arterial blood flow in the body part, characterized in calibrating the probe system (30) for the respective...http://www.google.com.au/patents/US7819811?utm_source=gb-gplus-sharePatent US7819811 - Detecting medical conditions with noninvasive body probes
