Fig. 4

Optimal compression point (OCP) in the coronal plane based on maximum compressible left and right ventricle. Origo is the centre of sternum at the internipple line level. One small symbol represents one patient and clinical groups mean values with large symbols (cardiac disease ⧠ (open square), aortic disease █ (filled square), and no findings/study patient x (crosses)). Overall mean (filled circle) represented with standard deviations