References

https://pdfs.semanticscholar.org/f936/59aea4bc2f071ba801373727bfd4c73e4a61.pdf

Asirvatham, S.J., Friedman, P.A. & Hayes, D.L. (2021). Cardiac Pacing, Defibrillation and Resynchronization: A Clinical Approach, 4th Edition

https://radiologykey.com/12-general-anatomy-of-the-heart/