Document Detail


2:1 left to right interatrial block and other effects of ibutilide during non-isthmus-dependent atrial flutter.
MedLine Citation:
PMID:  19732362     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The effects of ibutilide on non-isthmus-dependent atrial flutter (NIDAFL) and the left atrium are not completely known. We describe a case report of 2:1 left to right interatrial block as a result of ibutilide during NIDAFL. This is a 68-year-old man with history of right atrial flutter ablation who presented with recurrence of atrial flutter and underwent a diagnostic electrophysiology study. A 20-pole catheter with 2-10-mm spacing was used spanning the cavotricuspid isthmus to the midcoronary sinus. Morphology of the flutter waves and atrial activation sequence was recorded. Ibutilide was given to terminate the atrial flutter. During administration, 2:1 left-to-right interatrial block was seen. In addition, the cycle length of the flutter prolonged, yet the activation sequence did not change. Ibutilide terminated the flutter. During sinus rhythm, interatrial block was not seen. This case report illustrates an example of 2:1 left to right interatrial conduction block because of ibutilide during a non-isthmus-dependent atrial flutter.
Authors:
Peter E Zambito; Eugen C Palma
Publication Detail:
Type:  Case Reports; Journal Article     Date:  2009-08-31
Journal Detail:
Title:  Pacing and clinical electrophysiology : PACE     Volume:  32     ISSN:  1540-8159     ISO Abbreviation:  Pacing Clin Electrophysiol     Publication Date:  2009 Oct 
Date Detail:
Created Date:  2009-10-02     Completed Date:  2009-12-09     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7803944     Medline TA:  Pacing Clin Electrophysiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  e11-3     Citation Subset:  IM    
Affiliation:
Arrhythmia Service, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, New York 10461, USA.
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MeSH Terms
Descriptor/Qualifier:
Aged
Anti-Arrhythmia Agents / adverse effects
Atrial Flutter / chemically induced*,  diagnosis*
Heart Block / chemically induced*,  diagnosis*
Humans
Male
Sulfonamides / adverse effects*
Chemical
Reg. No./Substance:
0/Anti-Arrhythmia Agents; 0/Sulfonamides; 130350-52-6/ibutilide

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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