Document Detail

Electrocardiogram Patterns during Hemodynamic Instability in Patients with Acute Pulmonary Embolism.
MedLine Citation:
PMID:  24750207     Owner:  NLM     Status:  Publisher    
BACKGROUND: We have previously described new electrocardiogram (ECG) findings for massive pulmonary embolism, namely ST-segment elevation in lead aVR with ST-segment depression in leads I and V4 -V6 . However, the ECG patterns of patients with acute pulmonary embolism during hemodynamic instability are not fully described.
METHODS: We compared the differences between the ECG at baseline and after deterioration during hemodynamic instability in twenty patients with acute pulmonary embolism.
RESULTS: Compared with the ECG at baseline, three ischemic ECG patterns were found during clinical deterioration with hemodynamic instability: ST-segment elevation in lead aVR with concomitant ST-segment depression in leads I and V4 -V6 , ST-segment elevation in leads V1 -V3 /V4 , and ST-segment elevation in leads III and/or V1 /V2 with concomitant ST-segment depression in leads V4 /V5 -V6 . Ischemic ECG patterns with concomitant S1Q3 and/or abnormal QRS morphology in lead V1 were more common (90%) during hemodynamic instability than at baseline (5%) (P = 0.001).
CONCLUSIONS: Hemodynamic instability in acute pulmonary embolism is reflected by signs of myocardial ischemia combined with the right ventricular strain pattern in the 12-lead ECG.
Zhong-Qun Zhan; Chong-Quan Wang; Kjell C Nikus; Chao-Rong He; Jin Wang; Shan Mao; Xiong-Jian Dong
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-4-21
Journal Detail:
Title:  Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc     Volume:  -     ISSN:  1542-474X     ISO Abbreviation:  Ann Noninvasive Electrocardiol     Publication Date:  2014 Apr 
Date Detail:
Created Date:  2014-4-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9607443     Medline TA:  Ann Noninvasive Electrocardiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2014 Wiley Periodicals, Inc.
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