LOINC long common name : Inspiration/Expiration time Ratio;
LOINC short name : Insp/Exp time Ratio;
LOINC description : Inspiration/expiration time ratio is the ratio of the length of time for inspiration
to the length of time for expiration in a single respiratory cycle (inspiration plus
expiration). A normal inspiration/expiration time ratio is 1:2 to 1:3, meaning that
the expiratory phase is 2 to 3 times longer than the inspiratory phase.;