The History of Left Septal Fascicular Block
Author Information
Author(s): Riera Andres Ricardo Perez MD, Uchida Augusto Hiroshi MD, Schapachnik Edgardo MD, Dubner Sergio MD, PhD, FACC, Zhang Li MD, Filho Celso Ferreira MD, PhD, Ferreira Celso MD, PhD, Ferrara Dardo E MD, de Luna Antoni Bayes MD, PhD, Moffa Paulo Jorge MD, PhD
Hypothesis
The left His system is trifascicular rather than bifascicular.
Conclusion
The left His system is primarily trifascicular, and the left septal fascicular block has distinct ECG patterns.
Supporting Evidence
- The left His system is shown to be trifascicular in most cases.
- Left septal fascicular block has distinct ECG patterns.
- Historical studies support the trifascicular nature of the left His system.
Takeaway
This study looks at how the heart's electrical system has three main pathways instead of just two, which helps explain certain heart conditions.
Methodology
The study reviews historical literature and findings related to the left His system and left septal fascicular block.
Limitations
The study is historical and may not include the most recent findings or consensus.
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