Document Detail


Coronary artery spasm and ventricular arrhythmias.
MedLine Citation:
PMID:  22438089     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Coronary artery spasm (CAS) is characterised by chest pain at rest and transient ST segment elevation on the ECG. The natural history of variant angina is not fully understood. Patients with CAS are younger, mostly female subjects and usually do not have traditional cardiovascular risk factors other than cigarette smoking. Cardiac arrhythmias are known to be associated with CAS. Ventricular arrhythmia is a well-recognised complication and sudden cardiac death has also been documented. The most important diagnostic tool in CAS is coronary angiography. 24 h ECG Holter monitoring can be very useful in the diagnosis of ventricular arrhythmias caused by CAS. The mainstay therapy for CAS is calcium channel blockers and nitrates. The use of β-blockers, especially the non-selective group, can promote attacks or prolong vasospastic state. The indication for implantable cardioverter defibrillator (ICD) implantation in a patient with CAS is still not clearly established. The role of primary prevention with the use of ICD is controversial; however, ICD implantation should be considered in high risk patients despite optimal medical treatment.
Authors:
Khang Li Looi; Andrew Grace; Sharad Agarwal
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-3-21
Journal Detail:
Title:  Postgraduate medical journal     Volume:  -     ISSN:  1469-0756     ISO Abbreviation:  -     Publication Date:  2012 Mar 
Date Detail:
Created Date:  2012-3-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0234135     Medline TA:  Postgrad Med J     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Cardiology, Papworth Hospital NHS Foundation Trust, Cambridge, UK.
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