This causes a higher V/Q ratio at the apex compared to the base. There is a higher perfusion at the base of the lung than the apex of the lung. Ideally ventilation and perfusion should be equal with a V/Q ratio of 1, but the normal lung varies due to multiple factors such as gravity, size and patency of airways, and positioning. Any discrepancy between pulmonary blood flow and ventilation is called V/Q mismatch.
Ventilation is the amount of air that reaches the lungs and Perfusion is the amount of blood flow to the lung. In normal lung physiology the V/Q ratio is a measurement used to determine the efficacy and adequacy of ventilation and perfusion of the lung. Associate Editor(s)-in-Chief: Aida Javanbakht, M.D. List of terms related to Ventilation-perfusion mismatchĮditor-In-Chief: C. Patents on Ventilation-perfusion mismatch Ventilation-perfusion mismatch in the Marketplace Ventilation-perfusion mismatch en Francais Ventilation-perfusion mismatch en Espanol Treatment of Ventilation-perfusion mismatchĬME Programs on Ventilation-perfusion mismatch Symptoms of Ventilation-perfusion mismatchĬauses & Risk Factors for Ventilation-perfusion mismatchĭiagnostic studies for Ventilation-perfusion mismatch Risk calculators and risk factors for Ventilation-perfusion mismatch Patient Handouts on Ventilation-perfusion mismatchĭirections to Hospitals Treating Ventilation-perfusion mismatch Patient resources on Ventilation-perfusion mismatchĭiscussion groups on Ventilation-perfusion mismatch News trends on Ventilation-perfusion mismatchĭefinitions of Ventilation-perfusion mismatch Ventilation-perfusion mismatch in the newsīe alerted to news on Ventilation-perfusion mismatch NICE Guidance on Ventilation-perfusion mismatch US National Guidelines Clearinghouse on Ventilation-perfusion mismatch Trial results on Ventilation-perfusion mismatchĬlinical Trials on Ventilation-perfusion mismatch at Google
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