Description
Subtract a supplied bench transport lag and rescale time without estimating patient gas exchange.
A bench or research calculation starts from supplied measurements, reference values, and unit conventions. A transformed value, timing difference, or support fraction describes that model; its clinical meaning depends on measurement validity and a separate professional assessment.
Subtract a supplied bench transport lag and rescale time without estimating patient gas exchange.
When to use this tool
Use it for respiratory gaslag reference factor when the required inputs and conventions are already available.
How to use the tool and how it works
- Enter measuredLag, suppliedTransportLag, timeScale. Use the stated units and boundary conventions.
- Run the calculation. Correct any input error before interpreting a result.
- Read correctedLag. Inspect any known, defined, inclusion, or boundary flags before interpreting numeric values.
Require positive timeScale and return correctedLag=(measuredLag-suppliedTransportLag)*timeScale.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| measuredLag | Measured Lag | Required. Finite number. |
| suppliedTransportLag | Supplied Transport Lag | Required. Finite number. |
| timeScale | Time Scale | Required. Finite number; strictly above 0. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| correctedLag | Corrected Lag | Required. Finite number. |
{
"input": {
"measuredLag": 0.5,
"suppliedTransportLag": 0.1,
"timeScale": 1000
},
"output": {
"correctedLag": 400
}
}Limitations and assumptions
- The scale acts after transport-lag subtraction and may include a time-unit conversion. Negative corrected lag is allowed; the tool does not estimate delay from signals or verify sensor alignment.
- The field tables describe structural bounds; the mechanics also state cross-field requirements. Malformed input shapes, disallowed keys, and invalid domains cause input errors. Results must remain finite and within the declared output contract. A successful false flag or zero placeholder is distinct from an error.
- Numeric arithmetic uses binary floating point. Exact comparisons have no hidden tolerance or decimal rounding; negative zero is exported as zero. Decimal-text integer operations retain the exactness specifically stated above.
Alternative or Complementary methods
For respiratory gaslag reference factor, check the source records and the supplied rule before comparing the result with another method. Use an appropriately validated measurement or analysis method for clinical interpretation.
References
Similar or alternative tools
- Pulmonary Sample Gaslag Volume Factor
Ideal plug-flow sample-line residence plus an explicitly supplied analyzer delay, excluding dispersion or device operating recommendations.
- Respiratory Cycle Inspiratory Expiratory Ratio
Supplied phase-duration arithmetic with pause time kept separate, without selecting ventilation settings or normal ranges.