Skip to search formSkip to main contentSkip to account menu

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

Related topics

Related topics

1 relation
Ventilation-Perfusion Ratio

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2007
2007
Objective analysis of whole lung and lobar ventilation/ perfusion relationships in pulmonary embolism
Purpose:  Lung scintigraphy using single photon emission computed tomography (SPECT) allows accurate regional measurement of the… 
Highly Cited
2004
Highly Cited
2004
Tidal volume, cardiac output and functional residual capacity determine end‐tidal CO2 transient during standing up in humans
In man assuming the upright position, end‐tidal PCO2 (PETCO2) decreases. With the rising interest in cerebral autoregulation… 
Review
2003
Review
2003
V/Q-Scanning/SPECT for the Diagnosis of Pulmonary Embolism
Pulmonary embolism (PE) is visualized indirectly by perfusion (Q) scanning as a parenchymal defect related to the embolized… 
2002
2002
A novel quantitative dual-isotope method for simultaneous ventilation and perfusion lung SPET
Abstract A quantitative dual-isotope single-photon emission tomography (SPET) technique for the assessment of lung ventilation (V… 
2002
2002
Diagnostic Utility of Cardiac Troponin-I Levels in Patients with Suspected Pulmonary Embolism
Although positive troponin-I (TnI) assays have been reported in patients with pulmonary embolism (PE), Tnl levels in patients… 
1993
1993
Value of lower extremity venous duplex examination in the diagnosis of pulmonary embolism.
1993
1993
Analysis of factors which affect the relationship between inspired oxygen partial pressure and arterial oxygen saturation.
The adoption of pulse oximetry in anaesthesia and intensive care has resulted in oxyhaemoglobin saturation (SaO2) becoming an… 
Highly Cited
1989
Highly Cited
1989
Quantification of regional V/Q ratios in humans by use of PET. II. Procedure and normal values.
Regional measurements of tissue isotope concentration, made using positron emission tomography (PET), allow tracer models to be… 
1989
1989
Quantification of regional V/Q ratios in humans by use of PET. I. Theory.
With positron emission tomography, quantitative measurements of regional alveolar and mixed venous concentrations of positron… 
1984
1984
Computation of ventilation-perfusion ratio with Kr-81m in pulmonary embolism.
Diagnostic difficulties occur in pulmonary embolism (PE) during visual analysis of ventilation-perfusion images in matched… 
By clicking accept or continuing to use the site, you agree to the terms outlined in our Privacy Policy (opens in a new tab), Terms of Service (opens in a new tab), and Dataset License (opens in a new tab)