Document Detail


Exercise induced atrio-ventricular (AV) block during nuclear perfusion stress testing: a case report.
MedLine Citation:
PMID:  18592939     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Exercise causes enhanced sympathetic discharge and results in physiologic tachycardia. However, in some patients with a diseased conduction system resulting from acute ischemia, exercise can precipitate heart block. METHODS AND RESULTS: In this report we describe a 51 years old male patient with transient advanced degree atrioventricular (AV) block developed during recovery from exercise stress testing, resolved after the administration of atropine. Nuclear perfusion imaging demostrated stress-induced ischemia of the inferior-apical segments, and recovery of perfusion in the images obtained at rest. Coronarography showed critical stenosis of the right coronary artery, which was treated by percutaneous coronary intervention (PCI) and drug eluting stent (DES) deployment. CONCLUSION: Nuclear myocardial perfusion imaging provides noninvasive evidence that transient ischemia of the infero-apical segment can result in advanced degree AV block in patient with critical severe right coronary disease.
Authors:
Filippo Maria Sarullo; Salvatore Accardo; Paola D'Antoni; Annamaria Martino; Antonio Micari; Vincenzo Pernice; Antonio Castello
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Monaldi archives for chest disease = Archivio Monaldi per le malattie del torace / Fondazione clinica del lavoro, IRCCS [and] Istituto di clinica tisiologica e malattie apparato respiratorio, Università di Napoli, Secondo ateneo     Volume:  70     ISSN:  1122-0643     ISO Abbreviation:  Monaldi Arch Chest Dis     Publication Date:  2008 Mar 
Date Detail:
Created Date:  2008-07-02     Completed Date:  2008-09-03     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9307314     Medline TA:  Monaldi Arch Chest Dis     Country:  Italy    
Other Details:
Languages:  eng     Pagination:  29-33     Citation Subset:  IM    
Affiliation:
Department of Cardiology, Buccheri La Ferla Fatebenefratelli Hospital, Palermo, Italy. fsarullo@neomedia.it
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MeSH Terms
Descriptor/Qualifier:
Angioplasty, Transluminal, Percutaneous Coronary
Atrioventricular Block / drug therapy,  etiology*
Atropine / therapeutic use
Coronary Angiography
Coronary Stenosis / complications*,  diagnosis*,  therapy
Drug-Eluting Stents
Exercise Test / adverse effects*
Heart / radionuclide imaging*
Humans
Male
Middle Aged
Tomography, Emission-Computed, Single-Photon*
Chemical
Reg. No./Substance:
51-55-8/Atropine

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


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