Document Detail

Left ventricular outflow tract and mid-cavity obstruction may cause false-positive dobutamine stress echocardiograms.
MedLine Citation:
PMID:  20977996     Owner:  NLM     Status:  In-Data-Review    
Left ventricular (LV) outflow tract obstruction (LVOTO) occurs in up to 20% of patients undergoing dobutamine stress echocardiography (DSE). Mid-cavity LV obstruction occurs less commonly during DSE. LV regional wall motion abnormalities during DSE may occur despite normal coronaries due to hypertensive blood pressure response and takotsubo stress cardiomyopathy. We describe herein two cases of LVOTO and one case of mid-cavity LV obstruction during DSE associated with transient apical hypokinesis.
Manish B Jhawar; Sudarshan Balla; Martin A Alpert; Anand Chockalingam
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Publication Detail:
Type:  Journal Article     Date:  2010-10-25
Journal Detail:
Title:  European journal of echocardiography : the journal of the Working Group on Echocardiography of the European Society of Cardiology     Volume:  12     ISSN:  1532-2114     ISO Abbreviation:  Eur J Echocardiogr     Publication Date:  2011 Mar 
Date Detail:
Created Date:  2011-03-09     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100890618     Medline TA:  Eur J Echocardiogr     Country:  England    
Other Details:
Languages:  eng     Pagination:  E14     Citation Subset:  IM    
Department of Internal Medicine, Division of Cardiovascular Medicine, University of Missouri School of Medicine, Columbia, MO 65212, USA.
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