| mechanisms of o2 transport in andean dogs. | using previously inserted catheters, 11 dogs native to high altitude (7.5-23 kg bwt) were studied standing and unsedated in cerro de pasco, peru at 4350 meters. hemoglobin (hb), hematocrit (hct), o2 and co2 contents, po2, pco2 and ph were measured in simultaneously obtained arterial and mixed venous blood samples. blood pressures were measured in the pulmonary artery and the left ventricle and cardiac output (q) was determined by dye dilution. moderately higher values for hb and hct were found i ... | 1975 | 238272 |