Research Article
Development of a Portable Respiratory Gas Analyzer for Measuring Indirect Resting Energy Expenditure (REE)
Figure 3
The GUI of the developed respiratory gas analyzer. (a) A screen for input patient profile. (b) A screen when the self-calibration is running. (c) A screen for requesting the patient to wear a mask. (d) The measurement screen showing real-time data of oxygen and carbon dioxide level and flow rate and the calculated value of VO2, VCO2, RQ, and REE every two seconds.
| (a) |
| (b) |
| (c) |
| (d) |