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Quantification of regional ventilation-perfusion ratios with PET.
Journal of nuclear medicine : official publication, Society of Nuclear Medicine, 2004The topographic matching of alveolar ventilation (V(A)) and perfusion (Q) is the main determinant of gas exchange efficiency of the lung. However, no pulmonary functional imaging technique has been shown to predict whole-lung gas exchange in health and disease.
Marcos F, Vidal Melo +8 more
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[Foundation for the understanding of ventilation-perfusion ratio abnormalities].
Der Anaesthesist, 1988Understanding the mismatching of ventilation and perfusion (VA/Q) is of special interest in the intensive care setting because - given a stable cardiac output and a given inspiratory oxygen fraction - it allows one to explain certain essential respiratory problems in critically ill patients, namely hypoxemia and hypercarbia.
P, Radermacher, L, Cinotti, K J, Falke
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Lung function quantification with numerical ventilation/perfusion ratio
Nuklearmedizin - NuclearMedicine, 2023J. K. Vogt +3 more
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Ventilation/Perfusion Ratios in Pulmonary Arterial Hypertension
Chest, 2005Tomas Bratel +4 more
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Pulmonary Diffusion, Ventilation-Perfusion Ratio and Arterial Oxygen Homeostasis
2010The lung derives from two distinct embryonic origins, has two separate circulations, undergoes extensive branching morphogenesis, experiences the highest blood flow and the largest continuous distortion among organs due to wide fluctuations in ventilation, perfusion and mechanical stresses.
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Distributions of Ventilation-Perfusion Ratios in Acute Respiratory Failure
Chest, 1974P D, Wagner +3 more
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