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Fig. 1 | Annals of Intensive Care

Fig. 1

From: Preoperative endothelial dysfunction in cutaneous microcirculation is associated with postoperative organ injury after cardiac surgery using extracorporeal circulation: a prospective cohort study

Fig. 1

Evaluation of cutaneous microcirculation. a Iontophoresis in combination with blood perfusion imager. b Incident light from the laser (thick red arrows) are scattered back (dotted arrows) from red blood cells flowing in the microvessels. c Typical dose–response-related vasodilatation as a response to ACh (blue) and SNP (red)—blood perfusion imaging. Photos reproduced with the permission of Perimed (Järfälla, Sweden)

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