Fig. 1From: Prognostic value of left atrial mechanics in cardiac light-chain amyloidosis with preserved ejection fraction: a cohort studySpeckle-tracking echocardiographic left atrial strain waves. A Left atrial longitudinal strain waves. Sr, LA total strain; Sa, LA active strain. B Left atrial longitudinal strain rate waves. SRr, LA total strain rate; SRe, LA passive strain rate; SRa, LA active strain rateBack to article page