pulmonary ventilation perfusion scan

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• Ventilation/perfusion scan — A ventilation/perfusion lung scan, also called a V/Q lung scan, is a type of medical imaging used to evaluate the circulation of air and blood within a patient s lungs. The ventilation part of the test looks at the ability of air to reach all… …   Wikipedia

• ventilation-perfusion scan — V/Q scan a scintigraphic technique for demonstrating perfusion defects in normally ventilated areas of the lung in the diagnosis of pulmonary embolism, consisting of the imaging of the distribution of an inhaled radionuclide followed by the… …   Medical dictionary

• Ventilation/perfusion ratio — In respiratory physiology, the ventilation/perfusion ratio (or V/Q ratio) is a measurement used to assess the efficiency and adequacy of the matching of two variables: [LoyolaMedEd|Medicine/pulmonar/physio/pf9.htm#q1] * V ventilation the air… …   Wikipedia

• perfusion scan — a technique for demonstrating an abnormal blood supply to an organ by injecting a radioactive tracer or contrast medium. One of the most common uses, often in conjunction with ventilation scanning (see ventilation perfusion scanning), is to… …   Medical dictionary

• perfusion scan — a technique for demonstrating an abnormal blood supply to an organ by injecting a radioactive tracer or contrast medium. One of the most common uses, often in conjunction with ventilation scanning (see ventilation perfusion scanning), is to… …   The new mediacal dictionary

• Pulmonary embolism — Classification and external resources Chest spiral CT scan with radiocontrast agent showing multiple filling defects both at the bifurcation and in the pulmonary arteries. ICD 10 …   Wikipedia

• Pulmonary compliance — (or lung compliance) can refer to either dynamic or static lung compliance. Static lung compliance is the change in volume for any given applied pressure.[1] Dynamic lung compliance is the compliance of the lung at any given time during actual… …   Wikipedia

• Pulmonary surfactant — Diagram of the alveoli with both cross section and external view Pulmonary surfactant is a surface active lipoprotein complex (phospholipoprotein) formed by type II alveolar cells. The proteins and lipids that surfactant comprises have both a… …   Wikipedia

• Pulmonary contusion — Classification and external resources A CT scan showing a pulmonary contusion (red arrow) accompanied by a rib fracture (blue arrow) ICD 10 S …   Wikipedia

• Perfusion scanning — Perfusion is defined as the passage of fluid through the lymphatic system or blood vessels to an organ or a tissue. [American Psychological Association (APA):perfusion. (n.d.). Dictionary.com Unabridged (v 1.1). Retrieved March 20, 2008, from… …   Wikipedia

• scan — 1. To survey by traversing with an active or passive sensing device. 2. The image, record, or data obtained by scanning, usually identified by the technology or device employed; e.g., CT s., radionuclide s …   Medical dictionary