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Fig. 1 | Cardiovascular Ultrasound

Fig. 1

From: Tissue Doppler Imaging and strain rate of the left atrial lateral wall: age related variations and comparison with parameters of diastolic function

Fig. 1

Methodology used for the evaluation of LA lateral wall ​​by TDI and SRI. A) Subjective division of the LA lateral wall in three segments; B) TDI on line by spectral pulse at basal segment of LA lateral wall. Three waves are identified: S’la (evaluates reservoir function), E’la (evaluates conduit function), A’la (evaluates pump function). C) LA SRI by speckle tracking with the analysis of the basal and mid segments. Three waves are identified: SRS (evaluates reservoir function); SRE (evaluates conduit function) and SRA (evaluates pump function). For more information, refer to the text. LA: left atrial, TDI: Tissue Doppler Image, SRI: Strain Rate Image, la: left atrial

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