Fig. 3From: Speckle tracking echocardiographically-based analysis of ventricular strain in children: an intervendor comparisonTracking Assessment Scores. A tracking score was generated for six variations of the software packages included in this study for the AP4 and SAXM views. A tracking score > 2.5 (dotted line) was consider to be excellent. AP4 (Apical four chamber view), FR (frame rate), SAXM (Short axis mid-ventricular papillary muscle)Back to article page