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Pulmonary embolism as a cause of unexplained sinus tachycardia after right ventricular myocardial infarction.
MedLine Citation:
PMID:  24154587     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
We present the case of a patient who developed new-onset asymptomatic sinus tachycardia after undergoing treatment for a right ventricular myocardial infarction. Even after excluding heart failure, infection and bleeding, the sinus tachycardia persisted. Computed tomography pulmonary angiography showed multiple bilateral pulmonary emboli. The vital sign abnormality resolved after treatment with an anticoagulant. We postulate that the pulmonary emboli originated from thrombi that were formed in the infarcted and dysfunctional right ventricle. Pulmonary embolism is a very rare complication of right ventricular myocardial infarction, and patients usually present with pleuritic chest pain. Our case highlights that asymptomatic sinus tachycardia could be a presenting feature of pulmonary embolism after the occurrence of a right ventricular myocardial infarction. A high index of suspicion is warranted in order to detect this potentially lethal complication.
Authors:
J Lin; W Kristanto; C H Lee
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Singapore medical journal     Volume:  54     ISSN:  0037-5675     ISO Abbreviation:  Singapore Med J     Publication Date:  2013 Oct 
Date Detail:
Created Date:  2013-10-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0404516     Medline TA:  Singapore Med J     Country:  Singapore    
Other Details:
Languages:  eng     Pagination:  e199-200     Citation Subset:  IM    
Affiliation:
Cardiac Department, National University Heart Centre, 1E Kent Ridge Road, National University Health System Tower Block, Level 9, Singapore 119228. mdclchr@nus.edu.sg.
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