fig11
![Dynamic infrared thermography and smartphone thermal imaging as an adjunct for preoperative, intraoperative, and postoperative perforator free flap monitoring](https://image.oaes.cc/8454390c-8e1c-4337-9c94-1cdef03f5164/3291.fig.11.jpg)
Figure 11. Postoperative catastrophe: violaceous hue of flap POD 1 (top). POD 1 thermogram of flap in dressing window had much darker color diffusely throughout than seen intraoperatively consistent with venous congestion (bottom). POD: postoperative day