{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,22]],"date-time":"2026-01-22T19:05:07Z","timestamp":1769108707212,"version":"3.49.0"},"reference-count":42,"publisher":"Oxford University Press (OUP)","issue":"1042","license":[{"start":{"date-parts":[[2012,3,21]],"date-time":"2012-03-21T00:00:00Z","timestamp":1332288000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2012,8,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>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\u2005h 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 \u03b2-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.<\/jats:p>","DOI":"10.1136\/postgradmedj-2011-130494","type":"journal-article","created":{"date-parts":[[2012,3,23]],"date-time":"2012-03-23T01:40:19Z","timestamp":1332466819000},"page":"465-471","source":"Crossref","is-referenced-by-count":15,"title":["Coronary artery spasm and ventricular arrhythmias"],"prefix":"10.1093","volume":"88","author":[{"given":"Khang Li","family":"Looi","sequence":"first","affiliation":[{"name":"Department of Cardiology, Papworth Hospital NHS Foundation Trust , Cambridge, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andrew","family":"Grace","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Papworth Hospital NHS Foundation Trust , Cambridge, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sharad","family":"Agarwal","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Papworth Hospital NHS Foundation Trust , Cambridge, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2012,3,21]]},"reference":[{"key":"2023041906571700100_bib1","doi-asserted-by":"crossref","first-page":"375","DOI":"10.1016\/0002-9343(59)90003-8","article-title":"Angina pectoris. 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