Jul 8, 2015 · In addition the patient’s minute ventilation was on the high side (75% of predicted) at peak exercise. This is something you might expect to see in association with pulmonary …

Feb 8, 2017 · When I review the results from a CPET I am used to considering a maximum minute ventilation (Ve) greater than 85% of predicted as an indication of a pulmonary mechanical …

Careful analysis of these slopes permits the derivation of two indexes; Scond, an index of the ventilation heterogeneity in the conducting airways; and Sacin, an index of ventilation …

Oct 17, 2017 · There are a number of CO2-related values that are useful when assessing exercise test results. Although End-tidal CO2 (ETCO2) is not a quantitative measurement in …

May 26, 2014 · In a discussion of helium dilution lung volume measurements one of the presenters made an interesting statement and that was that “helium does not pass the alveolar …

Cardiac disease by definition causes a low cardiac output which limits the amount of oxygen delivered to exercising muscles which can cause an elevated venous PCO2. If ventilation is …

Nov 7, 2012 · His max VO2 was about 16 ml/kg/min which appeared to make him a good candidate for surgery but his actual maximum oxygen consumption in LPM was 45% of …

Dec 7, 2014 · From The American Journal of Medicine, 1859, page 379. “1859, Jan. 5. Improved Spirometer – Dr. S. W. Mitchell exhibited an improved form of spirometer, of which he gave …

High chronotropic indexes in the unfit and low in the well conditioned. I will agree however, that when you throw a gas exchange defect into the mix it may be more questionable. In this case …

The heart rate recovery (HRR) is the difference between the heart rate at peak exercise and at some interval, usually 1 minute, post-exercise. The rise in heart rate during exercise is due to …