Fig. 1From: Comparison of global and regional myocardial strains in patients with heart failure with a preserved ejection fraction vs hypertension vs age-matched controlExample illustration of speckle tracking analysis. At the end-systolic phase, endocardial and epicardial borders were manually selected on each short axis and long axis view. Myocardial segment is consist of six circumferential regions (anterior, anteroseptal, inferoseptal, inferior, infeolateral, anterolateral) and three longitudinal regions (basal, mid, and apical)Back to article page