[HTML][HTML] Ventilation/perfusion relationships and gas exchange: measurement approaches
SR Hopkins - Comprehensive Physiology, 2020 - ncbi.nlm.nih.gov
Abstract Ventilation-perfusion (VA/Q) matching, the regional matching of the flow of fresh gas
to flow of deoxygenated capillary blood, is the most important mechanism affecting the …
to flow of deoxygenated capillary blood, is the most important mechanism affecting the …
Imaging regional PaO2 and gas exchange
J Petersson, RW Glenny - Journal of Applied Physiology, 2012 - journals.physiology.org
Several methods allow regional gas exchange to be inferred from imaging of regional
ventilation and perfusion (V/Q) ratios. Each method measures slightly different aspects of …
ventilation and perfusion (V/Q) ratios. Each method measures slightly different aspects of …
Potential for noninvasive assessment of lung inhomogeneity using highly precise, highly time-resolved measurements of gas exchange
JE Mountain, P Santer, DP O'Neill… - Journal of Applied …, 2018 - journals.physiology.org
Inhomogeneity in the lung impairs gas exchange and can be an early marker of lung
disease. We hypothesized that highly precise measurements of gas exchange contain …
disease. We hypothesized that highly precise measurements of gas exchange contain …
Multiple inert gas elimination technique
MP Hlastala - Journal of applied physiology, 1984 - journals.physiology.org
The understanding of pulmonary gas exchange has undergone several major advances
since the early 1900‣ s. One of the most significant was the development of the multiple …
since the early 1900‣ s. One of the most significant was the development of the multiple …
Ventilation-perfusion relationships in isolated blood-free perfused rabbit lungs
D Walmrath, R Konig, C Ernst… - Journal of Applied …, 1992 - journals.physiology.org
The multiple inert gas elimination technique (MIGET) was applied to blood-free perfused
isolated rabbit lungs. Commonly accepted criteria for reliability of the method were found to …
isolated rabbit lungs. Commonly accepted criteria for reliability of the method were found to …
Validation of measurements of ventilation-to-perfusion ratio inequality in the lung from expired gas
GK Prisk, HJB Guy, JB West… - Journal of Applied …, 2003 - journals.physiology.org
The analysis of the gas in a single expirate has long been used to estimate the degree of
ventilation-perfusion (V˙ a/Q˙) inequality in the lung. To further validate this estimate, we …
ventilation-perfusion (V˙ a/Q˙) inequality in the lung. To further validate this estimate, we …
Assessment of ventilation-perfusion mismatching in mechanically ventilated patients
The multiple inert gas elimination technique (MIGET) is a robust tool to assess both
ventilation-perfusion (V'A/Q') distributions and the role of extrapulmonary factors determining …
ventilation-perfusion (V'A/Q') distributions and the role of extrapulmonary factors determining …
Reproducibility of the multiple inert gas elimination technique
PD Wagner, G Hedenstierna, G Bylin… - Journal of Applied …, 1987 - journals.physiology.org
Although measurement errors in the multiple inert gas elimination technique have a
coefficient of variation of approximately 3%, small biological fluctuations in ventilation, blood …
coefficient of variation of approximately 3%, small biological fluctuations in ventilation, blood …
The multiple inert gas elimination technique (MIGET)
PD Wagner - Intensive care medicine, 2008 - Springer
This brief review centers on the multiple inert gas elimination technique (MIGET). This
technique, developed in the 1970s, measures the pulmonary exchange of a set of six …
technique, developed in the 1970s, measures the pulmonary exchange of a set of six …
Measuring the efficiency of pulmonary gas exchange using expired gas instead of arterial blood: comparing the “ideal” Po2 of Riley with end-tidal Po2
JB West, MA Liu, PC Stark… - American Journal of …, 2020 - journals.physiology.org
When using a new noninvasive method for measuring the efficiency of pulmonary gas
exchange, a key measurement is the oxygen deficit, defined as the difference between the …
exchange, a key measurement is the oxygen deficit, defined as the difference between the …
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