Ventilation to Perfusion Ratio

Known as: V/Q 
The ratio of activity concentration of a tracer measuring lung air flow per unit volume for a region to that of the activity concentration of a… (More)
National Institutes of Health

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Ventilation-Perfusion Ratio

Papers overview

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2011
2011
68Ga PET/CT ventilation-perfusion imaging for pulmonary embolism: a pilot study with comparison to conventional scintigraphy.
UNLABELLED Ventilation-perfusion (V/Q) scintigraphy is established for regional assessment of lung function in a variety of… (More)
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2010
2010
Lung ventilation and perfusion in prone and supine postures with reference to anesthetized and mechanically ventilated healthy volunteers.
BACKGROUND The literature on ventilation (V) and lung perfusion (Q) distributions during general anesthesia and controlled… (More)
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2010
2010
Comparison of V/Q SPECT and planar V/Q lung scintigraphy in diagnosing acute pulmonary embolism.
PURPOSE Planar ventilation/perfusion (V/Q) scintigraphy is currently the standard method for the diagnosis of pulmonary embolism… (More)
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Highly Cited
2009
Highly Cited
2009
Detection of pulmonary embolism with combined ventilation-perfusion SPECT and low-dose CT: head-to-head comparison with multidetector CT angiography.
UNLABELLED The diagnosis of pulmonary embolism (PE) is usually established by a combination of clinical assessment, D-dimer… (More)
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2007
2007
Very low probability interpretation of V/Q lung scans in combination with low probability objective clinical assessment reliably excludes pulmonary embolism: data from PIOPED II.
UNLABELLED Use of a very low probability interpretation of ventilation/perfusion (V/Q) lung scans, if verified by prospective… (More)
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2002
2002
Distribution of ventilation/perfusion ratios in pulmonary embolism: an adjunct to the interpretation of ventilation/perfusion lung scans.
UNLABELLED Diagnosis of pulmonary embolism (PE) by visual interpretation of ventilation/perfusion (V/Q) scans is limited by the… (More)
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2002
2002
A novel quantitative dual-isotope method for simultaneous ventilation and perfusion lung SPET
A quantitative dual-isotope single-photon emission tomography (SPET) technique for the assessment of lung ventilation (V) and… (More)
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2000
2000
Distribution of ventilation-to-perfusion ratios analysed in planar scintigrams of emphysematous patients.
The aim of the present study was to develop and evaluate a method for semi-quantification of ventilation-to-perfusion ratios in… (More)
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1998
1998
Can helical CT replace scintigraphy in the diagnostic process in suspected pulmonary embolism? A retrolective-prolective cohort study focusing on total diagnostic yield
The aim of our study was to compare the diagnostic value of helical CT vs that of ventilation–perfusion (V/Q) scintigraphy as a… (More)
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1991
1991
Diagnostic utility of ventilation/perfusion lung scans in acute pulmonary embolism is not diminished by pre-existing cardiac or pulmonary disease.
The purpose of this study was to assess the impact of prior cardiac or pulmonary disease upon the utility of ventilation… (More)
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