Document Detail

Significance of ventricular late potentials in patients with myocardial infarction.
MedLine Citation:
PMID:  1308489     Owner:  NLM     Status:  MEDLINE    
Fifty six patients (52 males, 4 females, mean age 53.6 +/- 8 years, range 35-75 years) were studied to determine the influence of clinical variables, site of myocardial infarction, thrombolytic therapy, documented arrhythmias and left ventricular ejection fraction (LVEF) on the incidence of ventricular late potentials (LP's). LP's were detected in 17 (30.3%) patients; in 6 (26%) patients with acute and in 11 (33.3%) patients with old healed myocardial infarction. 87.5% of the patients in whom LPs were detected had low LVEF. The presence of low LVEF correlated significantly with the presence of LP's (p = .02). LP's were also present in all patients with documented sustained ventricular tachycardia. Clinical variables (Killip and NYHA class), site of myocardial infarction, Q wave versus non-Q wave myocardial infarction and thrombolytic therapy did not relate to the presence of LP's (p > 0.5) Patients of myocardial infarction with low LVEF and a history of ventricular tachyarrhythmias should undergo signal averaged electrocardiography for LP detection. LP presence would identify patients at higher risk of future arrhythmic events within this subgroup.
P Jain; U Kaul; H S Wasir
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  The Journal of the Association of Physicians of India     Volume:  40     ISSN:  0004-5772     ISO Abbreviation:  J Assoc Physicians India     Publication Date:  1992 Aug 
Date Detail:
Created Date:  1993-10-01     Completed Date:  1993-10-01     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7505585     Medline TA:  J Assoc Physicians India     Country:  INDIA    
Other Details:
Languages:  eng     Pagination:  515-9     Citation Subset:  IM    
Department of Cardiology, Cardiothoracic Centre, All India Institute of Medical Sciences, New Delhi.
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MeSH Terms
Atrial Fibrillation / etiology,  physiopathology
Electrocardiography / methods*
Middle Aged
Myocardial Infarction / complications,  drug therapy,  physiopathology*
Signal Processing, Computer-Assisted*
Stroke Volume
Tachycardia, Ventricular / etiology,  physiopathology
Thrombolytic Therapy
Comment In:
J Assoc Physicians India. 1992 Aug;40(8):509-10   [PMID:  1308486 ]

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