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Spiroergometry.
| Description | Abbreviation | Unit |
|---|---|---|
| Heart rate | HR | Beats per minute |
| Oxygen uptake | VO2 | L/min |
| Carbon dioxide release (l/min) | VCO2 | L/min |
| Respiratory quotient | RQ | VO2/VCO2 |
| Breathing frequency | BF | Breaths per minute |
| Respiratory minute volume | VE | L/min |
