Cosmed K4B2 - Breath by Breath Exercise Testing; Indirect Calorimetry; Lactate Threshold Analysis

28 - K4 b
2
User Manual
Pulmonary function tests and measured parameters
Breath by Breath exercise testing
Symbol UM Parameter
VO2 ml/min Oxygen Uptake
VCO2 ml/min Carbon Dioxide production
Vt l Tidal Volume
FetO2 % End Tidal O2
FetCO2 % End Tidal CO2
R --- Respiratory Quotient
VE l/min Ventilation
HR 1/min Heart Rate
Qt l Cardiac output
AT --- Anaerobic Threshold
VE l/min Ventilation
SV l/min Stroke volume
RF 1/min Respiratory Frequency
FeO2, FeCO2 % Averaged expiratory concentration of O2 e CO
VE/VO2 --- ventilatory equivalent for O2
VE/VCO2 --- ventilatory equivalent for CO2
VO2/HR ml/beat Oxygen pulse
VO2/Kg ml/min/Kg VO2 per Kg
Ti, Te, Ti/Ttot sec time breaths
Vd/Vt --- Vd/Vt ratio
PaCO2 mmHg arterial PCO2 (estimated)
P(a-et)CO2 mmHg Delta PaCO2 – PetCO2
Indirect Calorimetry
Symbol UM Parameter
EE Kcal/day Energy Expenditure
EE/BSA Kcal/day/m
2
Energy Expenditure/Body surface area
EE/Kg Kcal/day/Kg Energy Expenditure pro Kg
FAT Kcal/day Fats
CHO Kcal/day Carbohydrate
PRO Kcal/day Protein
FAT% % % Fat
CHO% % % Carbohydrate
PRO% % % Protein
npRQ —- Respiratory quotient not protein
Lactate Threshold (V-Slope)
Symbol UM Description
VO
2
@ LT l/m Lactate (Anaerobic) Threshold STPD
R @ LT -- Respiratory Quotient @ LT
Time @ LT hh:mm:ss Time @ LT
VCO
2
ml/min CO2 output @ LT STPD
VE l/min Ventilation @ LT BTPS