Fig. 4From: Performance of an automated ultrasound device in identifying and tracing the heart in porcine cardiac arrestThe left shows a single image with both the bladder scanner tracing (blue) and a human reviewer tracing (magenta). The right shows the same image with a visual representation of true positive (yellow, 11.304%), true negative (white, 83.450%), false positive (red, 0.172%) and false negative (green, 5.074%) areasBack to article page