Tidal Volume Actual (Median)

Returns a single value as the median for the Tidal Volume Actual (MPOG concept id: 3190) for a case, among valid tidal volumes.

There is no age limitations for this collation, but there are bounds on valid values as described in the logic section. The number of recordings are not limited, so the mean can represent a lot of data points, or few, for a given case.

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Median for the Tidal Volume Actual (MPOG concept id: 3190) for a case, among valid tidal volumes.

A tidal volume is noted to be valid, if the following conditions are true:

1) ETCO2 >= 5 mmHg

2) Peak Inspiratory Pressure >= 5 cm H2O

3) Tidal Volume Actual >= 100 mL and <=2000

4) The above conditions are true for 3 consecutive minutes, following the time of measurement.