Bradycardia-Induced Torsades de Pointes in Atrioventricular Block
Bradycardia is known to prolong QT interval. Persistent bradycardia and high-grade atrioventricular (AV) block may lead to persistently prolonged QTc interval with a risk for life-threatening ventricular arrhythmias, which needs addressing the underlying cause. We present the case of a patient with...
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| Veröffentlicht in: | Curēus (Palo Alto, CA) CA), 2023-04, Vol.15 (4), p.e37507 |
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| creator | Bhattad, Pradnya Brijmohan Jha, Anil Wholey, Richard |
| description | Bradycardia is known to prolong QT interval. Persistent bradycardia and high-grade atrioventricular (AV) block may lead to persistently prolonged QTc interval with a risk for life-threatening ventricular arrhythmias, which needs addressing the underlying cause. We present the case of a patient with persistent sinus bradycardia with a high-grade AV block leading to persistently prolonged QTc without any reversible etiology that resulted in torsades de pointes. The underlying treatment involved shortening the QTc by increasing the heart rate to prevent any further episodes of polymorphic ventricular tachycardia. |
| doi_str_mv | 10.7759/cureus.37507 |
| format | Article |
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Persistent bradycardia and high-grade atrioventricular (AV) block may lead to persistently prolonged QTc interval with a risk for life-threatening ventricular arrhythmias, which needs addressing the underlying cause. We present the case of a patient with persistent sinus bradycardia with a high-grade AV block leading to persistently prolonged QTc without any reversible etiology that resulted in torsades de pointes. The underlying treatment involved shortening the QTc by increasing the heart rate to prevent any further episodes of polymorphic ventricular tachycardia.</description><identifier>ISSN: 2168-8184</identifier><identifier>EISSN: 2168-8184</identifier><identifier>DOI: 10.7759/cureus.37507</identifier><identifier>PMID: 37193431</identifier><language>eng</language><publisher>United States: Cureus Inc</publisher><subject>Cardiac arrhythmia ; Cardiology ; Case reports ; Consciousness ; Heart rate ; Internal Medicine ; Pacemakers ; Patients ; Sinuses ; Telemetry</subject><ispartof>Curēus (Palo Alto, CA), 2023-04, Vol.15 (4), p.e37507</ispartof><rights>Copyright © 2023, Bhattad et al.</rights><rights>Copyright © 2023, Bhattad et al. This work is published under https://creativecommons.org/licenses/by/3.0/ (the “License”). 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Persistent bradycardia and high-grade atrioventricular (AV) block may lead to persistently prolonged QTc interval with a risk for life-threatening ventricular arrhythmias, which needs addressing the underlying cause. We present the case of a patient with persistent sinus bradycardia with a high-grade AV block leading to persistently prolonged QTc without any reversible etiology that resulted in torsades de pointes. The underlying treatment involved shortening the QTc by increasing the heart rate to prevent any further episodes of polymorphic ventricular tachycardia.</description><subject>Cardiac arrhythmia</subject><subject>Cardiology</subject><subject>Case reports</subject><subject>Consciousness</subject><subject>Heart rate</subject><subject>Internal Medicine</subject><subject>Pacemakers</subject><subject>Patients</subject><subject>Sinuses</subject><subject>Telemetry</subject><issn>2168-8184</issn><issn>2168-8184</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNpVkN1PwjAUxRujEYK8-WyW-Oqwt93a9ckA8YOERB_wuem6VodjxXYj4b93gBK8L-cm9-Tckx9C14BHnKfiXrfetGFEeYr5GeoTYFmcQZacn-w9NAxhiTEGzAnm-BL1KAdBEwp9NJ54VWy18kWp4lldtNoU0cL5oAoTosJEb66sm24t62jc-NJtTN2Jbivlo0nl9NcVurCqCmb4qwP0_vS4mL7E89fn2XQ8jzUF3MR8PzmxCeOCcJ1qy2gOjBY5Z5hanhBLVM4SLAiAsILqFKfMaqFA5FTRAXo45K7bfGUKveuhKrn25Ur5rXSqlP8vdfkpP9xGAoYMRIq7hNvfBO--WxMauXStr7vSkmQECGMpEZ3r7uDS3oXgjT2-ACx30OUButxD7-w3p7WO5j_E9AcJO33Q</recordid><startdate>20230412</startdate><enddate>20230412</enddate><creator>Bhattad, Pradnya Brijmohan</creator><creator>Jha, Anil</creator><creator>Wholey, Richard</creator><general>Cureus Inc</general><general>Cureus</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7X7</scope><scope>7XB</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>K9.</scope><scope>M0S</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>5PM</scope></search><sort><creationdate>20230412</creationdate><title>Bradycardia-Induced Torsades de Pointes in Atrioventricular Block</title><author>Bhattad, Pradnya Brijmohan ; Jha, Anil ; Wholey, Richard</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c310t-777777b2f467927c5cf63b163db7603f742f2ab64092119f93c5056fc9a19b3a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Cardiac arrhythmia</topic><topic>Cardiology</topic><topic>Case reports</topic><topic>Consciousness</topic><topic>Heart rate</topic><topic>Internal Medicine</topic><topic>Pacemakers</topic><topic>Patients</topic><topic>Sinuses</topic><topic>Telemetry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bhattad, Pradnya Brijmohan</creatorcontrib><creatorcontrib>Jha, Anil</creatorcontrib><creatorcontrib>Wholey, Richard</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Curēus (Palo Alto, CA)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bhattad, Pradnya Brijmohan</au><au>Jha, Anil</au><au>Wholey, Richard</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Bradycardia-Induced Torsades de Pointes in Atrioventricular Block</atitle><jtitle>Curēus (Palo Alto, CA)</jtitle><addtitle>Cureus</addtitle><date>2023-04-12</date><risdate>2023</risdate><volume>15</volume><issue>4</issue><spage>e37507</spage><pages>e37507-</pages><issn>2168-8184</issn><eissn>2168-8184</eissn><abstract>Bradycardia is known to prolong QT interval. 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| fulltext | fulltext |
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| ispartof | Curēus (Palo Alto, CA), 2023-04, Vol.15 (4), p.e37507 |
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| language | eng |
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| source | PubMed Central; PubMed Central Open Access |
| subjects | Cardiac arrhythmia Cardiology Case reports Consciousness Heart rate Internal Medicine Pacemakers Patients Sinuses Telemetry |
| title | Bradycardia-Induced Torsades de Pointes in Atrioventricular Block |
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