From: The assessment of left ventricular diastolic function: guidance and recommendations from the British Society of Echocardiography
Interpretation of diastolic parameters during stress echocardiography
Normal
Abnormal
Average or septal only E/e′
 < 10
 > 14 (> 15 if septal only)
TR velocity
 ≤ 2.8 m/s
 > 2.8 m/s