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A Relationship between paradoxical septal motion (PSM) and right to left ventricular end-diastolic areas ratio (RVEDA/LVEDA). Dashed line denotes RVEDA/LVEDA = 0.6. B Mosaic plot showing the number of patients with different combinations of PSM and RV dilatation using RVEDA/LVEDA > 0.6 as cutoff. 90 patients had acute cor pulmonale by definition (presence of PSM and RVEDA/LVEDA > 0.6). C PaO2/FiO2 ratio in patients with vs without PSM. D PaO2/FiO2 ratio vs RV size assessed visually
