Fig. 4From: Tissue Doppler derived biphasic velocities during the pre and post-ejection phases: patterns, concordance and hemodynamic significance in health and diseaseReceiver operator characteristic curves (ROC-curves) for best predictors of E/e’ ≥ 13 in patients with heart failure. Black line, positive PRE and negative PRE (PRE-P/N) ratio, red line, between negative POE to positive POE (POE-N/P) ratioBack to article page