Professor Petros NihoyannopoulosLAMIA KHALED SALEM ALSAIKHAN2022-05-292022-05-2933970https://drepo.sdl.edu.sa/handle/20.500.14154/46158Left Atrial Function in Heart Failure with Mid-Range Ejection Fraction (HFmrEF) Differs from that of Heart Failure with Preserved Ejection Fraction (HFpEF): A Two-Dimensional Speckle Tracking StudyThesis