A Pacemaker that was Avoided

Thyroxine is an essential hormone in the human body and exerts many effects on the cardiovascular system. The low metabolic state in hypothyroidism causes bradycardia and reduced cardiac contractility leading to reduced cardiac output. Severe bradycardia and atrioventricular (AV) blocks secondary to...

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Detalles Bibliográficos
Autores principales: Waseem, Husnain, Hashmi, Arsalan Talib, Anser, Maham, Wali, Neehal, Rodriguez, Daniel, Greenberg, Yisachar
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Cureus 2018
Materias:
Cardiology
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6029737/
https://www.ncbi.nlm.nih.gov/pubmed/29974011
http://dx.doi.org/10.7759/cureus.2555
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author Waseem, Husnain
Hashmi, Arsalan Talib
Anser, Maham
Wali, Neehal
Rodriguez, Daniel
Greenberg, Yisachar
author_facet Waseem, Husnain
Hashmi, Arsalan Talib
Anser, Maham
Wali, Neehal
Rodriguez, Daniel
Greenberg, Yisachar
author_sort Waseem, Husnain
collection PubMed
description Thyroxine is an essential hormone in the human body and exerts many effects on the cardiovascular system. The low metabolic state in hypothyroidism causes bradycardia and reduced cardiac contractility leading to reduced cardiac output. Severe bradycardia and atrioventricular (AV) blocks secondary to hypothyroidism have also been reported. We present a case of severe hypothyroidism causing a high-grade AV block which was successfully treated with thyroxine hormone replacement without requiring cardiac pacemaker placement.
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spelling pubmed-60297372018-07-04 A Pacemaker that was Avoided Waseem, Husnain Hashmi, Arsalan Talib Anser, Maham Wali, Neehal Rodriguez, Daniel Greenberg, Yisachar Cureus Cardiology Thyroxine is an essential hormone in the human body and exerts many effects on the cardiovascular system. The low metabolic state in hypothyroidism causes bradycardia and reduced cardiac contractility leading to reduced cardiac output. Severe bradycardia and atrioventricular (AV) blocks secondary to hypothyroidism have also been reported. We present a case of severe hypothyroidism causing a high-grade AV block which was successfully treated with thyroxine hormone replacement without requiring cardiac pacemaker placement. Cureus 2018-04-30 /pmc/articles/PMC6029737/ /pubmed/29974011 http://dx.doi.org/10.7759/cureus.2555 Text en Copyright © 2018, Waseem et al. http://creativecommons.org/licenses/by/3.0/ This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
spellingShingle Cardiology
Waseem, Husnain
Hashmi, Arsalan Talib
Anser, Maham
Wali, Neehal
Rodriguez, Daniel
Greenberg, Yisachar
A Pacemaker that was Avoided
title A Pacemaker that was Avoided
title_full A Pacemaker that was Avoided
title_fullStr A Pacemaker that was Avoided
title_full_unstemmed A Pacemaker that was Avoided
title_short A Pacemaker that was Avoided
title_sort pacemaker that was avoided
topic Cardiology
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6029737/
https://www.ncbi.nlm.nih.gov/pubmed/29974011
http://dx.doi.org/10.7759/cureus.2555
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