TiVi Evaluation of Microcirculatory Reactivity of the Skin to Galvanic Stimulation: Effect of Aspirin

"Device: TiVi system A galvanic current (0.1 mA) will be applied between 2 patches on the forearm of patient and protocol was repeated at 4 minutes.~Microvascular response to current application (CIV) will be recorded by TiVi system 10 minutes later.~Measurement of the value of skin blood flow (by TiVi system) at the stimulated area as compare to a non stimulated adjacent skin value taken as a reference Usual treatment will be recorded"