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Case Reports
. 2025 Jun 9;7(9):1263-1265.
doi: 10.1016/j.cjco.2025.06.001. eCollection 2025 Sep.

Complete Heart Block Due to High Vagal Tone in Pregnancy

Affiliations
Case Reports

Complete Heart Block Due to High Vagal Tone in Pregnancy

Ella Maria Cockburn et al. CJC Open. .
No abstract available

Keywords: atrioventricular block; complete heart block; pregnancy; vagal tone.

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Figures

Figure 1
Figure 1
Electrocardiogram on hospital admission, demonstrating complete heart block with sinus nodal rate variability suggestive of increased vagal tone.
Figure 2
Figure 2
Electrocardiogram during hospital admission, demonstrating variable atrioventricular block.

References

    1. Suri V., Keepanasseril A., Aggarwal N., et al. Maternal complete heart block in pregnancy: analysis of four cases and review of management. J Obstet Gynaecol Res. 2009;35:434–437. - PubMed
    1. Young D., Turaga N.S.S., Amisha F.N.U., et al. Recurrence of complete heart block in pregnancy. HeartRhythm Case Rep. 2021;7:679–682. - PMC - PubMed
    1. Swain S., Routray S., Behera S., Mohanty S. Pregnancy with complete heart block. BMJ Case Rep. 2022;15 - PMC - PubMed
    1. Wei J., Peng H., Li H. Case report of paroxysmal atrioventricular block and ventricular arrest in a young pregnant woman: What is the mechanism? Ann Noninvasive Electrocardiol. 2022;27 - PMC - PubMed
    1. Alboni P., Holz A., Brignole M. Vagally mediated atrioventricular block: pathophysiology and diagnosis. Heart. 2013;99:904–908. - PubMed

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