Expired minute volume/Carbon dioxide production during exercise 94119-5
LOINC Code
| LOINC code | 94119-5 | ||
|---|---|---|---|
| name | Expired minute volume/Carbon dioxide production during exercise | ||
| description | The ventilatory efficiency slope is calculated as the ratio of minute ventilation to carbon dioxide production. It is a proxy for peak oxygen consumption and is correlated with disease severity for various cardiopulmonary conditions, including pediatric pulmonary hypertension and adult heart failure. [PMID: 24144928] | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | Volume.expired per minute/Carbon dioxide production^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 | VE/VCO2 slope dur exercise | ||
Basic Attributes | |||
| class | CARDIO-PULM | ||
| type | 2 Clinical | ||
| order vs. observation | Both | ||
| formula (readable) | VE/VCO2 (Minute ventilation/Carbon dioxide production) | ||
| 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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