Journal of electrocardiology · 2026
Could this intermittent prominent anterior force be a septal fascicle block?
СтатьяКлинический случайНазвание и аннотация: Перевод в очереди
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de Campos E Barreiro Daniel Teixeira, de Paula Castro Lívia Maria, de Alencar José Nunes
Аннотация
BACKGROUND: A septal fascicle of the left bundle branch is an anatomical variant present in a substantial number of human hearts. However, the electrocardiographic features of its block remain controversial.
CASE SUMMARY: We describe a case of transitory prominent anterior forces consistent with an intermittent left septal fascicle block, identified on a preoperative ECG of an adult male with a history of diabetes mellitus and systemic hypertension.
CONCLUSION: Clinicians should recognize septal fascicular block as an emerging and underrecognized cause of a prominent R-wave in the right precordial leads, particularly when the pattern is intermittent.
CASE SUMMARY: We describe a case of transitory prominent anterior forces consistent with an intermittent left septal fascicle block, identified on a preoperative ECG of an adult male with a history of diabetes mellitus and systemic hypertension.
CONCLUSION: Clinicians should recognize septal fascicular block as an emerging and underrecognized cause of a prominent R-wave in the right precordial leads, particularly when the pattern is intermittent.