Patent ID: 8239780

Claim:
A user interface system for providing patient medical parameter data for trend indicative display covering a time period comprising user selectable acquisition time intervals, comprising: an acquisition processor for acquiring, from a patient monitoring device, data representing a patient parameter comprising a plurality of data values at a corresponding plurality of different times within multiple user selectable patient parameter acquisition intervals of a time period; and a generator for generating data representing a first image showing a trend indicative display of said patient parameter covering a time period comprising user selectable acquisition time intervals and including a first number of data points in an individual acquisition time interval, said first number of data points representing a value occuring at a time closest to a centre time of said individual acquisition time interval and for, generating data representing an image widow comprising an expansion of said individual acquisition time interval and including a second number of data points greater than said first number, in response to user command; and updating said individual acquisition time interval of said first image with at least one data point selected from said expanded individual acquisition time interval window to replace said first number of data points, in response to user command.