| 摘要 |
The disclosed embodiments relate to a system 100 and method 200 for monit oring patient data. An exemplary method comprises obtaining plethysmographic pulse variation data that corresponds to a variation in a plethysmographic pulse of a patient 204, searching the plethysmographic pulse variation data for an indication of a reduction of venous return in response to a maneuver on or by the patient 206, and generating an output if the indication of the reduction of venous return is detected 208.
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