| A case of transient 2:1 atrioventricular block, resolved by thyroxine supplementation for subclinical hypothyroidism. | |
| | |
MedLine Citation:
|
PMID: 16441726 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
|
A 42-year-old man was admitted to our hospital with palpitation attacks. Holter ECG showed 2:1 atrioventricular block and bradycardia with the minimum heart rate of 44 beats/min. There was a possible indication of electrophysiological study and cardiac pacemaker implantation. Laboratory data on admission revealed elevated thyrotropin level, with normal thyroxine level. To rule out functional atrioventricular block, we tried 2 weeks of the thyroxine supplementation, and Holter ECG showed improved heart rate without any atrioventricular block or long pause. We experienced that subclinical hypothyroidism caused severe bradycardia and 2:1 atrioventricular block, and that thyroxine supplementation completely improved these conditions. |
| | |
Authors:
|
Yukiteru Nakayama; Makoto Ohno; Shigeto Yonemura; Hiroki Uozumi; Naoshi Kobayakawa; Kazuyuki Fukushima; Hiroaki Takeuchi; Teruhiko Aoyagi |
Related Documents
:
|
11453586 - Myocardial perfusion and metabolic changes induced by biventricular pacing in dilated c... 7408156 - The anatomic substrate for preexcitation in corrected transposition. 125536 - The superior qrs axis in ostium primum asd: a proposed mechanism. 14659606 - Calcium channel blocker overdose mimicking an acute myocardial infarction. 15353826 - Anomalous origin of the right coronary artery from the left coronary sinus is associate... 21920266 - Activation and entrainment mapping of hemodynamically unstable ventricular tachycardia ... |
Publication Detail:
|
Type: Case Reports; Journal Article |
Journal Detail:
|
Title: Pacing and clinical electrophysiology : PACE Volume: 29 ISSN: 0147-8389 ISO Abbreviation: Pacing Clin Electrophysiol Publication Date: 2006 Jan |
Date Detail:
|
Created Date: 2006-01-30 Completed Date: 2006-07-13 Revised Date: - |
Medline Journal Info:
|
Nlm Unique ID: 7803944 Medline TA: Pacing Clin Electrophysiol Country: United States |
Other Details:
|
Languages: eng Pagination: 106-8 Citation Subset: IM |
Affiliation:
|
Department of Cardiovascular Medicine, Japanese Red Cross Medical Center, Hiroo, Tokyo, Japan. |
Export Citation:
|
APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
|
Adult Bradycardia / drug therapy, etiology Electrocardiography, Ambulatory Heart Block / drug therapy*, etiology* Humans Hypothyroidism / complications*, drug therapy* Male Thyroxine / therapeutic use* |
| Chemical | |
Reg. No./Substance:
|
7488-70-2/Thyroxine |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
Previous Document: Catheter ablation for an incessant form of antiarrhythmic drug-resistant ventricular fibrillation af...
Next Document: Concordance between an electroanatomic mapping system and cardiac MRI in arrhythmogenic right ventri...