Figure 4From: A new device for continuous assessment of gut perfusion: proof of concept on a porcine model of septic shock Scatter plot of the GM var and PAC var in the whole experience and at the onset of shock. PACvar, variation of the component AC of the photoplethysmographic signal, GMvar, variation of the laser Doppler signal. (a) Whole experience. (b) Onset of shock.Back to article page