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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 and 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