Literature DB >> 28348695

Complete Atrioventricular Block Presenting With Syncope Caused by Severe Hypothyroidism.

Sang-Hoon Seol1, Doo-Il Kim1, Bo-Min Park1, Dong-Kie Kim1, Pil-Sang Song1, Ki-Hun Kim1, Han-Young Jin2, Jeong-Sook Seo2, Jae-Sik Jang2, Tae-Hyun Yang2, Dae-Kyeong Kim2, Dong-Soo Kim2.   

Abstract

A 75-year-old man was admitted to our hospital with syncope. Electrocardiogram showed complete atrioventricular block and bradycardia with the minimum heart rate of 22 beats/ min. There was a possible indication for temporary cardiac pacemaker implantation. Laboratory data on admission revealed high TSH level with low free T4 level. To rule out functional atrioventricular block, we treated several days with thyroxine. A follow-up electrocardiogram showed improved heart rate without any atrioventricular block. We found that severe hypothyroidism caused a complete atrioventricular block with syncope, and thyroxine replacement completely improved these conditions.

Entities:  

Keywords:  Atrioventricular block; Hypothyroidism; Syncope

Year:  2012        PMID： 28348695      PMCID： PMC5358139          DOI： 10.4021/cr221w

Source DB:  PubMed          Journal:  Cardiol Res        ISSN： 1923-2829


  11 in total

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Journal:  Circulation       Date:  2007-10-09       Impact factor: 29.690

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  2 in total

1.  A Pacemaker that was Avoided.

Authors:  Husnain Waseem; Arsalan Talib Hashmi; Maham Anser; Neehal Wali; Daniel Rodriguez; Yisachar Greenberg
Journal:  Cureus       Date:  2018-04-30

2.  Case Report: Hypothyroidism Misdiagnosed as Fulminant Myocarditis in a Child.

Authors:  Nanjun Zhang; Shuran Shao; Yu Yan; Yimin Hua; Kaiyu Zhou; Chuan Wang
Journal:  Front Cardiovasc Med       Date:  2021-06-11
  2 in total

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