Case Report: Resolution of complete heart block following vitamin D supplementation in a child with Graves disease

Frontiers in Endocrinology 2026 Open access

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Authors: Sofya Ilmer, Parissa Salemi
DOI: 10.3389/fendo.2025.1680344
Cited by: 0
References: 18

Abstract

This case report describes an 11-year-old male with Graves disease and pre-existing Mobitz type 1 second-degree atrioventricular (AV) block that progressed to complete heart block (CHB) one month prior to his diagnosis of Graves disease. He presented at age 9 years (January 2023) with weight loss, heat intolerance, and excessive sweating. Laboratory testing revealed: thyroid stimulating hormone (TSH)

Fields of Study & Subjects

Thyroid Disorders and Treatments Vitamin D Research Studies Adrenal Hormones and Disorders

Publication details

Journal / source
Frontiers in Endocrinology
Volume
16
Pages
1680344–1680344
Publication date
9 January 2026
Language
EN