Septal Bounce in Constrictive Pericarditis
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Imaging findings
Extensive pericardial disease was noted with a very thickened pericardium, particularly subpleural fluid. The pericardium appeared very abnormal with a mixture of thickening and fluid, but not much calcification, suggesting effusive-constrictive pericarditis. Cine imaging clearly demonstrated a 'septal bounce,' characterized by abnormal, abrupt movement of the interventricular septum, indicative of constrictive physiology.
Key takeaways
Septal bounce, observed as an abnormal and abrupt motion of the interventricular septum on cine imaging (MRI or CT), is a classic and reliable sign of constrictive pericarditis or effusive-constrictive pericarditis. This finding helps confirm constrictive physiology in the presence of pericardial thickening and/or effusion, guiding appropriate clinical management.
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