Category: V
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Vibration synovitis
Synovitis resulting from a vibration wound near a joint.
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Vertical mattress suture
An interrupted suture in which a deep stitch is taken and the needle inserted upon the same side as that from which it emerged, and passed back through both immediate margins of the wound. The suture is then tied to the free end on the side the needle originally entered. This suture is primarily used…
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Varus stress test
A test of ligament laxity, where a passive force is exerted on a joint that, in the presence of ligamentous insufficiency, would cause the lateral joint space to open (e.g., lateral collateral ligament of the knee and radial collateral ligament of the elbow).
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Valgus stress test
A test of ligament laxity, where a passive force is exerted on a joint that, in the presence of ligamentous insufficiency, would cause the medial joint space to open (e.g., medial collateral ligament of the knee and ulnar collateral ligament of the elbow).
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Vancomycin-resistant staphylococcus aureus
A strain of S. aureus resistant to vancomycin that may become a serious nosocomial pathogen. Strains with intermediate resistance to vancomycin have caused life-threatening infections.
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Volkmann’s splint
A splint used for fracture of the lower extremity, consisting of a foot-piece and two lateral supports.
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Vacuum splint
A negative-pressure device used to immobilize the extremities or torso after an injury. It may be used to safely transport the injured person. The splint consists of a nylon appliance filled with Styrofoam-like beads. The appliance is fitted around the injured body part and air is removed using a negative-pressure (vacuum) pump. As air is…
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Vesicular sound
A normal breath sound heard over the entire lung during breathing.
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Volumetric solution
A standard solution containing a definite amount of a substance in 1 L (1000 ml) of solution; used in volumetric analysis.
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Viatical settlement
The purchase — at a discount — of a life insurance policy from a gravely ill patient. The buyer becomes the beneficiary of the policy; the viator receives a lump sum payment before dying.