Ventilatory equivalent for carbon dioxide --W exercise 94126-0
LOINC Code
| LOINC code | 94126-0 | ||
|---|---|---|---|
| name | Ventilatory equivalent for carbon dioxide --W exercise | ||
| description | The ventilatory equivalent for carbon dioxide (VEqCO2) is the ratio of ventilation to carbon dioxide production at a point in time. It is an alternative measurement to the slope of ventilation to carbon dioxide production as calculated for the duration of exercise. VEqCO2 and time to lowest VEqCO2 may be predictors of mortality in patients with heart failure. [PMID: 22619715] | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | Ventilatory equivalent for carbon dioxide^W exercise | ||
| property | VRto = Volume Ratio | ||
| time | Pt = Point in time: To identify measures at a point in time. This is a synonym for “spot” or “random” as applied to urine measurements. | ||
| system | ^Patient | ||
| scale | Qn = Quantitative: The result of the test is a numeric value that relates to a continuous numeric scale. Reported either as an integer, a ratio, a real number, or a range. The test result value may optionally contain a relational operator from the set {<=, <, >, >=}. Valid values for a quantitative test are of the form "7", "-7", "7.4", "-7.4", "7.8912", "0.125", "<10", "<10.15", ">12000", 1-10, 1:256 | ||
| method | |||
Additional Names | |||
| short name | VEqCO2 W exercise | ||
Basic Attributes | |||
| class | PULM | ||
| type | 2 Clinical | ||
| order vs. observation | Observation | ||
| formula (readable) | Ventilation (VE)/Carbon dioxide production (VCO2) | ||
| example UCUM units | {ratio} The Unified Code for Units of Measure (UCUM) is a code system intended to include all units of measures being contemporarily used in international science, engineering, and business (www.unitsofmeasure.org) | ||
| example unit | ratio | ||
Associated Observations | |||
LOINC codes that represent optional associated observation(s) for a clinical observation or laboratory test. A LOINC term may represent a single associated observation or panel containing several associated observations. | |||
History/Usage | |||
| first released | |||
| last updated | 2.67 | ||
| last change type | ADD - added | ||
Related Names | |||
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