| Wolff-Parkinson-White syndrome: mechanocardiographic study on the mechanical consequences of ventricular pre-excitation. | |
| | |
MedLine Citation:
|
PMID: 1136937 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
|
To elucidate the mechanical consequences of ventricular pre-excitation in patients with the W,W syndrome, electrical and mechanical events in the ventricles during anomalous pathway conduction and normal atrioventricular conduction were examined mechanocardiographically in 11 cases of Group A and 19 cases of Group B, in whom anomalous pathway conduction was stopped by procaine amide, resulting in normalization of conduction. Eight healthy persons were employed as a control group. In the control group, procaine amide had no significant effect on the mechanocardiographic values. In the WPW syndrome, significant prolongation of the P-X, P-J, P-T, P-C, P-I, P-Ao, and P-II intervals was induced by the drug. From the results of statistical analyses of measured values, it would appear that mechanical events in the ventricles were accelerated by ventricular pre-excitation but the extent of acceleration of the former was less than the extent of prematurity of the latter. The anomalous ventricular pre-excitation occurred earlier in cases of Group B than in those of Group A, while initiation of ventricular contraction, atrioventricular valve closure, and aortic vlave opening were accelerated more in Group A. In one case of Group B, electrical phenomena could not be related to mechanical events. |
| | |
Authors:
|
H Ishikawa; T Kagoshima; S Hasegawa; Y Hoshika; H Yamao |
Related Documents
:
|
842467 - Effect of intermittent left bundle branch block on left ventricular performance in the ... 2950157 - Left bundle branch block: a continuously evolving concept. 11781937 - Slow conduction in cardiac tissue: insights from optical mapping at the cellular level. 19439377 - Right bundle branch block with revelation of changing axis deviation at the end of atri... 3046747 - A controlled trial of gl enzyme in the treatment of acute myocardial infarction. 19366447 - Coronary artery dissection and acute myocardial infarction following blunt chest trauma. |
Publication Detail:
|
Type: Journal Article |
Journal Detail:
|
Title: American heart journal Volume: 90 ISSN: 0002-8703 ISO Abbreviation: Am. Heart J. Publication Date: 1975 Jul |
Date Detail:
|
Created Date: 1975-09-03 Completed Date: 1975-09-03 Revised Date: 2006-02-27 |
Medline Journal Info:
|
Nlm Unique ID: 0370465 Medline TA: Am Heart J Country: UNITED STATES |
Other Details:
|
Languages: eng Pagination: 35-42 Citation Subset: AIM; IM |
Export Citation:
|
APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
|
Adult Heart Conduction System / physiopathology Heart Ventricles / physiopathology* Humans Kinetocardiography Middle Aged Myocardial Contraction* / drug effects* Procainamide / diagnostic use Wolff-Parkinson-White Syndrome / physiopathology* |
| Chemical | |
Reg. No./Substance:
|
51-06-9/Procainamide |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
Previous Document: Electrophysiologic effects of isoproterenol on cardiac conduction system in man.
Next Document: Velocity of contractile element shortening in constrictive pericarditis and the effect of pulsus par...