Primary, secondary Raynauds phenomenon and vibration induced white fingers: Are they all the same ? What is vibration white finger or hand arm vibration syndrome (HAVS)? A. A mild skin rash that will go away B. A serious skin condition that will not clear up C. Severe frostbite Hand arm vibration syndrome HVLab University of Southampton Manifesting as tingling and numbness through to manual dexterity loss and dreaded Vibration White Finger (VWF) Hand Arm Vibration Syndrome (HAVS), both secondary forms of Raynaud's syndrome, where vibration induced spasming of small