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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… 
National Institutes of Health

Papers overview

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2007
2007
Purpose:  Lung scintigraphy using single photon emission computed tomography (SPECT) allows accurate regional measurement of the… 
Highly Cited
2004
Highly Cited
2004
In man assuming the upright position, end‐tidal PCO2 (PETCO2) decreases. With the rising interest in cerebral autoregulation… 
Review
2003
Review
2003
Pulmonary embolism (PE) is visualized indirectly by perfusion (Q) scanning as a parenchymal defect related to the embolized… 
2002
2002
Abstract A quantitative dual-isotope single-photon emission tomography (SPET) technique for the assessment of lung ventilation (V… 
2002
2002
Although positive troponin-I (TnI) assays have been reported in patients with pulmonary embolism (PE), Tnl levels in patients… 
1993
1993
The adoption of pulse oximetry in anaesthesia and intensive care has resulted in oxyhaemoglobin saturation (SaO2) becoming an… 
Highly Cited
1989
Highly Cited
1989
Regional measurements of tissue isotope concentration, made using positron emission tomography (PET), allow tracer models to be… 
1989
1989
With positron emission tomography, quantitative measurements of regional alveolar and mixed venous concentrations of positron… 
1984
1984
Diagnostic difficulties occur in pulmonary embolism (PE) during visual analysis of ventilation-perfusion images in matched…