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  Indian J Med Microbiol
 

Figure 1: Three-dimensional speckle tracking echocardiographic left atrial (LA) analysis using a full-volume dataset in a healthy subject is demonstrated: (A) Apical four-chamber and (B) two-chamber views, short-axis views (C3) at basal, (C5) midatrial and (C7) superior LA levels are demonstrated with (D) a three-dimensional LA cast. (F) Time – global LA volume change (dashed line) and time – segmental LA longitudinal strain curves (coloured lines) with (E) calculated volumetric LA data are presented. Yellow arrow represents peak LA strains, while yellow dotted arrow represents LA strains at atrial contraction. LA= Left atrium, LV = Left ventricle, RA = Right atrium, RV = Right ventricle, EDV = End-diastolic volume, ESV = End-systolic volume, EF = Ejection fraction, Vmax = Maximum LA volume, VpreA = Preatrial contraction LA volume, Vmin = Minimum LA volume

Figure 1: Three-dimensional speckle tracking echocardiographic left atrial (LA) analysis using a full-volume dataset in a healthy subject is demonstrated: (A) Apical four-chamber and (B) two-chamber views, short-axis views (C3) at basal, (C5) midatrial and (C7) superior LA levels are demonstrated with (D) a three-dimensional LA cast. (F) Time – global LA volume change (dashed line) and time – segmental LA longitudinal strain curves (coloured lines) with (E) calculated volumetric LA data are presented. Yellow arrow represents peak LA strains, while yellow dotted arrow represents LA strains at atrial contraction. LA= Left atrium, LV = Left ventricle, RA = Right atrium, RV = Right ventricle, EDV = End-diastolic volume, ESV = End-systolic volume, EF = Ejection fraction, V<sub>max</sub> = Maximum LA volume, V<sub>preA</sub> = Preatrial contraction LA volume, V<sub>min</sub> = Minimum LA volume