How to Open .VBF Files. Your machine is currently running: Windows. This repair tool is compatible with your operating system. Inability to open .VBF files and other critical malfunctions can arise when the Windows operating system becomes overloaded with invalid system references, as well as corrupted and deleted registry files. These problems commonly occur due to a lack of regular PC maintenance.
ventilation/perfusion scan. Abbreviation: V/Q scan. An imaging procedure used in the diagnosis of pulmonary embolism. The procedure has two parts: the injection of microscopic spheres into the bloodstream to evaluate perfusion of the lung; and the inhalation of xenon gas to assess pulmonary aeration.
Quadratus Lumborum (QL) â âThe Joker of low back painâ. What is the Quadratus Lumborum (QL)? The Quadratus Lumborum is a quadrangular shaped muscle which attaches to the bottom rib, the verterbrae in your lower back and the top of your pelvis. It acts as a stabiliser of the lower back and can laterally flex the spine.