A Newly Developed Sublingual Tonometric Method for the Evaluation of Tissue Perfusion and Its Validation In Vitro and in Healthy Persons In Vivo and the Results of the Measurements in COPD Patients

Table 3

Testing under hyperventilation in healthy volunteers.

	PslCO2; mmHg	PcCO2; mmHg
Control, normal ventilation to 5 min.
Number	10	10
Mean ± SD	27.2 ± 3.1	37.7 ± 1.3
Control, hyperventilation to 5 min.
Number	10	10
Mean ± SD	20.8 ± 3.4	20.4 ± 2.8

P_slCO₂, carbon dioxide sublingual partial pressure; P_cCO₂, carbon dioxide arterialized capillary partial pressure.