Key result
Left bundle branch block was associated with abnormal interventricular septal motion in 82.4% of cases compared to 4.1% of controls.
Why the study?
Does complete left bundle branch block cause abnormal interventricular septal motion on echocardiography compared to patients without LBBB?
Population
17 patients with complete left bundle branch block, 49 control patients without LBBB but with similar…
Comparison
Echocardiographic assessment vs Echocardiographic assessment in patients without…
Design
Case-control
Authors
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LBBB-associated septal motion warrants cautious echo interpretation for ischemia; leaves open prospective validation of mechanisms and impact.
Case-Control (n=66)
Does complete left bundle branch block cause abnormal interventricular septal motion on echocardiography compared to patients without LBBB?
Absolute Event Rate: 82.4% vs 4.1%
Complete left bundle branch block is strongly associated with paradoxical interventricular septal motion on echocardiography, likely due to conduction abnormalities.
Abbasi et al. (1974) conducted a case-control in Left bundle branch block (n=66). Left bundle branch block vs. Patients without LBBB but with similar cardiac disorders was evaluated on Abnormal interventricular septal motion. Left bundle branch block was associated with abnormal interventricular septal motion in 82.4% of cases compared to 4.1% of controls.
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