{"id":21483,"date":"2016-08-12T05:19:22","date_gmt":"2016-08-11T23:49:22","guid":{"rendered":"https:\/\/cardiophile.org\/?p=21483"},"modified":"2016-08-12T05:19:22","modified_gmt":"2016-08-11T23:49:22","slug":"adenosine-and-ventricular-fibrillation","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/professional\/adenosine-and-ventricular-fibrillation\/","title":{"rendered":"Adenosine induced ventricular fibrillation"},"content":{"rendered":"<h2><span style=\"color: #008000;\">Adenosine induced ventricular fibrillation<\/span><\/h2>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/wBcVY1IW7jo\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"><\/iframe><br \/>\nAdenosine induced ventricular fibrillation has been reported in two situations:<\/p>\n<ol>\n<li>During intracoronary administration for assessment of fractional flow reserve (FFR)<\/li>\n<li>Intravenous administration&nbsp;in an attempt to identify the mechanism of wide QRS tachycardia<\/li>\n<\/ol>\n<p><span style=\"color: #0000ff;\"><strong>Adenosine induced ventricular fibrillation during FFR estimation<\/strong><\/span><\/p>\n<p>Three cases of ventricular fibrillation (VF) during intracoronary administration for induction of maximal hyperemia was observed by Shah AH et al [1]. They could prevent future occurrences by doubling the concentration in order to reduce the volume of injection by half.<br \/>\nSimilar instance of adenosine induced VF during FFR assessment has been reported by Khan ZA et al in a single case [2].<\/p>\n<p><span style=\"color: #0000ff;\"><strong>Adenosine induced VF after administration in an attempt to identify the mechanism of wide QRS tachycardia<\/strong><\/span><\/p>\n<p>Several cases of adenosine induced VF when given for supraventricular tachycardia or atrial fibrillation have been reported [3-5].<br \/>\nGupta AK and colleagues reported 4 cases of VF after administration of 12 mg adenosine in pre excited atrial fibrillation which had presented as wide QRS tachycardia [6]. They noted that this phenomenon occurred in accessory pathways with a short refractory period.<\/p>\n<p>Parham WA and associates reported adenosine induced VF in a patient with stable ventricular tachycardia [7]. Adenosine had been administered as a therapeutic challenge in a wide QRS tachycardia of uncertain nature. It was later proved to be ventricular tachycardia at electrophysiological study.<\/p>\n<p><span style=\"color: #0000ff;\"><strong>References<\/strong><\/span><\/p>\n<ol>\n<li>Shah AH, Chan W, Seidelin PH. Ventricular Fibrillation Precipitated by Intracoronary Adenosine During Fractional Flow Reserve Assessment &#8211; A Cautionary Tale. Heart Lung Circ. 2015 Nov;24(11):e173-5.<\/li>\n<li>Khan ZA, Akbar G, Saeed W, Malik S, Khan F, Sardar MR. <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/27477304\/\">Ventricular fibrillation with intracoronary adenosine during fractional flow reserve assessment<\/a>. Cardiovasc Revasc Med. Oct-Nov 2016;17(7):487-489.<\/li>\n<li>Ben-Sorek ES, Wiesel J.&nbsp;Ventricular fibrillation following adenosine administration. A case report.&nbsp;Arch Intern Med. 1993 Dec 13;153(23):2701-2.<\/li>\n<li>Pella J, Stanc\u00e1k B, Komanov\u00e1 E, Novotn\u00fd R. Ventricular fibrillation after administration of adenosine.Vnitr Lek. 1995 Dec;41(12):832-5.<\/li>\n<li>Mulla N, Karpawich PP. Ventricular fibrillation following adenosine therapy for supraventricular tachycardia in a neonate with concealed Wolff-Parkinson-White syndrome treated with digoxin.&nbsp;Pediatr Emerg Care. 1995 Aug;11(4):238-9.<\/li>\n<li>Gupta AK, Shah CP, Maheshwari A, Thakur RK, Hayes OW, Lokhandwala YY. Adenosine induced ventricular fibrillation in Wolff-Parkinson-White syndrome.&nbsp;Pacing Clin Electrophysiol. 2002 Apr;25(4 Pt 1):477-80.<\/li>\n<li>Parham WA, Mehdirad AA, Biermann KM, Fredman CS. Case report: adenosine induced ventricular fibrillation in a patient with stable ventricular tachycardia.&nbsp;J Interv Card Electrophysiol. 2001 Mar;5(1):71-4.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Adenosine induced ventricular fibrillation Adenosine induced ventricular fibrillation has been reported in two situations: During intracoronary administration for assessment of fractional flow reserve (FFR) Intravenous administration&nbsp;in an attempt to identify the mechanism of wide QRS tachycardia Adenosine induced ventricular fibrillation during FFR estimation Three cases of ventricular fibrillation (VF) during intracoronary administration for induction of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":40093,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[2],"tags":[],"class_list":["post-21483","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cardiology"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - 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