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Computed tomography of chest at the level of left atrium in pulmonary arterial hypertension A) and diastolic dysfunction B) LA size and measurement were determined at the level where the LA appeared largest to the investigator. A) small appearing LA; B) Large appearing LA.
Abbreviations: LA, left atrium; LCW, horizontal chest wall length; LAL, horizontal length of LA; LAW, vertical length of LA.
