Clinical Study

Novel Models for the Prediction of Left Atrial Appendage Thrombus in Patients with Chronic Nonvalvular Atrial Fibrillation

Figure 1

Measurement of left atrial (LA) strain and strain rate in the four-chamber view. (a) LA positive strain (LASp). (b) Evaluation of LA longitudinal strain rate was conducted separately for positive (LASRr) and negative (LASRc) values.
(a)
(b)