Document Detail

Monophasic action potentials of right atrium and electrophysiological properties of AV conducting system in patients with hypothyroidism.
MedLine Citation:
PMID:  1008978     Owner:  NLM     Status:  MEDLINE    
In 12 patients with manifest hypothyroidism right atrial monophasic action potentials showed a significant prolongation in comparison with data from normal or euthyroid patients. Atrial effective refractory periods were also significantly prolonged. After thyroid treatment the monophasic action potential duration and the effective refractory period of the right atrium were within normal ranges. In 6 hypothyroid patients studies of AV conduction with the aid of His bundle electrography and atrial pacing showed a supraHisian conduction delay which was manifest in one case and latent in another two. InfraHisian conduction delay was encountered in 2 cases.
S Gavrilescu; C Luca; C Streian; G Lungu; G Deutsch
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  British heart journal     Volume:  38     ISSN:  0007-0769     ISO Abbreviation:  Br Heart J     Publication Date:  1976 Dec 
Date Detail:
Created Date:  1977-03-15     Completed Date:  1977-03-15     Revised Date:  2008-11-20    
Medline Journal Info:
Nlm Unique ID:  0370634     Medline TA:  Br Heart J     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  1350-4     Citation Subset:  AIM; IM    
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MeSH Terms
Action Potentials
Atrioventricular Node / physiopathology*
Heart / physiopathology*
Heart Atria / physiopathology
Heart Conduction System / physiopathology*
Hypothyroidism / physiopathology*
Middle Aged

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