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.
Pemphigus is a group of rare autoimmune diseases that cause blistering of the skin and mucous membranes (mouth, nose, throat, eyes, and genitals). Some forms of the disease, including the most common form, may be fatal if left untreated.eople with severe pemphigus that cannot be controlled with medicine may undergo plasmapheresis, a treatment in which the blood containing the damaging antibodies is removed and replaced with blood that is free of antibodies. Such patients are sometimes treated with intravenous (IV) immunoglobulin (Ig).