Fig 2. Iontophoresis of sodium nitroprusside and noradrenaline.
Skin microvascular response during iontophoresis of sodium nitroprusside (SNP) and noradrenaline (NA) as measured using laser Doppler flowmetry (LDF), Laser Speckle Contrast Imaging (LSCI) and Tissue Viability Imaging (TiVi). *** indicates significant change from baseline (p < 0.001).