Patent ID: 8471713
Filing Date: 2013-06-25
Classification: A61B,G01R

Abstract:
1. A noninvasive monitor for determining measurement values for one or more physiological parameters of a monitored patient, the noninvasive monitor comprising a signal processor configured to: receive one or more sensor signals from a sensor responsive to light attenuated by tissue of a monitored patient, said sensor including a light source and one or more detectors housed in a sensor housing that positions said light source and said one or more detectors proximate said tissue; process said one or more sensor signals to determine measurement values for one or more physiological parameters of said monitored patient; and determine an amount of ambient electronic interference proximate said sensor when said light source is off, and at least one of an audio or visual indication of said amount of ambient electronic interference, said audio or visual indication perceptible by a caregiver.