System and method for metabolic measurements

A system for metabolic measurements, the system comprising:

• a metabolic monitor configured to:
• determine first concentration measurements of O2 and CO2 in a portion of gas exhaled by a subject during one or more breaths;
• and
• determine a first rate of O2 consumption (VO2) and a first CO2 volume production (VCO2) of the subject during the one or more breaths based on the determined first O2 concentration in the portion of the exhaled gas and the determined first CO2 concentration in the portion of the exhaled gas;
• a CO2 monitor configured to:
• determine second CO2 concentration measurements in the gas exhaled by the subject during the one or more breaths;
• and
• determine second CO2 volume production (VCO2) of the subject during the one or more breaths based on the measured second CO2 concentration;
• and
• one or more physical computer processors operatively connected the metabolic monitor and the CO2 monitor, the one or more physical computer processors configured by computer readable instructions to:
• determine a correction factor based on the determined first VCO2 and the second VCO2;
• and
• determine a corrected first VO2 using the correction factor and the first VO2.