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Table 1 Types of paradoxical septal motion. RV = right ventricular; RVOT = right ventricular outflow tract; D-TGA = dextroposed transposition of the great arteries; ccTGA = congenitally corrected transposition of the great arteries

From: Magnetic resonance imaging of abnormal ventricular septal motion in heart diseases: a pictorial review

Paradoxical septal motion
Systolic Systolic and diastolic Diastolic
Left bundle branch block RV volume overload (left to right shunts, tricuspid and pulmonary regurgitation) Pericardial constriction
Antero-septal infarction RV pressure overload (RVOT obstruction, pulmonary hypertension, D-TGA after atrial switch procedures and ccTGA end systole) Arrhythmogenic RV cardiomyopathy
Post-open heart surgery