Fig. 6From: Evaluation of endoscopic visible light spectroscopy: comparison with microvascular oxygen tension measurements in a porcine modelAverage mucosal oxygen saturation measurements measured by VLS (black) over 21 data points (gray) and μPO2 measurements (red) during the minimally first 20 min of asystole in 5 pigs. Green vertical dashed line represents the time a lethal potassium dose was injectedBack to article page