Comparison of unipolar and bipolar ventricular paced evoked responses
Objectives—To study the differences between endocardial bipolar and unipolar ventricular paced evoked responses and surface electrocardiograms.Patients—10 patients with conduction system disease awaiting insertion of a permanent pacemaker were studied with temporary ventricular pacing from the right...
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| Veröffentlicht in: | British Heart Journal 1992-10, Vol.68 (10), p.398-402 |
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| creator | Baig, M W Cowan, J C Perrins, E J |
| description | Objectives—To study the differences between endocardial bipolar and unipolar ventricular paced evoked responses and surface electrocardiograms.Patients—10 patients with conduction system disease awaiting insertion of a permanent pacemaker were studied with temporary ventricular pacing from the right ventricular apex.Main outcome measure—Comparison of the durations of the QRS complexes and QTa and QTe intervals of the endocardial bipolar paced evoked response and the surface electrocardiogram with those of the reference unipolar paced evoked response.Results—By comparison with the unipolar reference, the mean durations of the QRS complexes of the bipolar signal and the surface electrocardiogram were 41·8% and 132·1% respectively. The mean QTa interval was 85·9% and 112·2% respectively and the mean QTe interval was 86·9% and 109·5% respectively. All these differences were significant. The amplitudes of the unipolar QRS complexes and T waves were significantly larger than those recorded in the bipolar configuration.Conclusions—Differences between the unipolar and bipolar ventricular paced evoked responses are significant. The time course of the unipolar signal is closer to that of the surface electrocardiogram. This indicates that the unipolar paced evoked response does not reflect local electrophysiological events, as has been suggested previously. |
| doi_str_mv | 10.1136/hrt.68.10.398 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_pasca</sourceid><recordid>TN_cdi_proquest_miscellaneous_73399710</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>73399710</sourcerecordid><originalsourceid>FETCH-LOGICAL-b510t-1c887ac786d1d5461eae1947d77bd1d04ea57597bfdf605bddfe3e45f6da86443</originalsourceid><addsrcrecordid>eNqNkc1v1DAQxS0EKkvhyBFpJRBCQlnsxF-5VKpC-VIFBwqquFiOM6HeJnawkwX-exxltQUucPKM5-enN34IPSR4Q0jBX1yFccPlJrVFKW-hFaFcZjkml7fRCmMsMix4eRfdi3GbWlpKfoSOCKVlmdMVOqt8P-hgo3dr364nZwff6bDWrlnX-3oHbgzWTHM9aAPNGnb-Oh0B4uBdhHgf3Wl1F-HB_jxGn16dXVRvsvMPr99Wp-dZzQgeM2KkFNoIyRvSMMoJaCAlFY0QdbrBFDQTrBR127Qcs7ppWiiAspY3WnJKi2N0sugOU91DY2ZjulNDsL0OP5XXVv05cfZKffU7RXDOCMVJ4OleIPhvE8RR9TYa6DrtwE9RiaIoS0Fm8PFf4NZPwaXlFBECY54onqhsoUzwMQZoD1YIVnM6KqWjuJzblE7iH_3u_4Ze4kjzJ_u5jkZ3bdDO2HjAGMeJms09X7DvUPs2GgvOwIE6JUnr3YXMZcqbFImW_09XdtSj9a7ykxtv9rNxhB-HNzpcKy4KwdT7z5XC7EsuL19-VCzxzxa-7rf_-IpfXPzWcA</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>1770069716</pqid></control><display><type>article</type><title>Comparison of unipolar and bipolar ventricular paced evoked responses</title><source>Web of Science - Science Citation Index Expanded - 1992<img src="https://exlibris-pub.s3.amazonaws.com/fromwos-v2.jpg" /></source><source>MEDLINE</source><source>EZB-FREE-00999 freely available EZB journals</source><source>PubMed Central</source><creator>Baig, M W ; Cowan, J C ; Perrins, E J</creator><creatorcontrib>Baig, M W ; Cowan, J C ; Perrins, E J</creatorcontrib><description>Objectives—To study the differences between endocardial bipolar and unipolar ventricular paced evoked responses and surface electrocardiograms.Patients—10 patients with conduction system disease awaiting insertion of a permanent pacemaker were studied with temporary ventricular pacing from the right ventricular apex.Main outcome measure—Comparison of the durations of the QRS complexes and QTa and QTe intervals of the endocardial bipolar paced evoked response and the surface electrocardiogram with those of the reference unipolar paced evoked response.Results—By comparison with the unipolar reference, the mean durations of the QRS complexes of the bipolar signal and the surface electrocardiogram were 41·8% and 132·1% respectively. The mean QTa interval was 85·9% and 112·2% respectively and the mean QTe interval was 86·9% and 109·5% respectively. All these differences were significant. The amplitudes of the unipolar QRS complexes and T waves were significantly larger than those recorded in the bipolar configuration.Conclusions—Differences between the unipolar and bipolar ventricular paced evoked responses are significant. The time course of the unipolar signal is closer to that of the surface electrocardiogram. This indicates that the unipolar paced evoked response does not reflect local electrophysiological events, as has been suggested previously.</description><identifier>ISSN: 0007-0769</identifier><identifier>ISSN: 1355-6037</identifier><identifier>EISSN: 1468-201X</identifier><identifier>EISSN: 2053-5864</identifier><identifier>DOI: 10.1136/hrt.68.10.398</identifier><identifier>PMID: 1449924</identifier><identifier>CODEN: BHJUAV</identifier><language>eng</language><publisher>LONDON: BMJ Publishing Group Ltd and British Cardiovascular Society</publisher><subject>Aged ; Biological and medical sciences ; Cardiac & Cardiovascular Systems ; Cardiac dysrhythmias ; Cardiac Pacing, Artificial ; Cardiology. Vascular system ; Cardiovascular System & Cardiology ; Electrocardiography ; Evoked Potentials - physiology ; Female ; Heart ; Heart Block - physiopathology ; Heart Ventricles - physiopathology ; Humans ; Life Sciences & Biomedicine ; Male ; Medical sciences ; Science & Technology ; Sick Sinus Syndrome - physiopathology</subject><ispartof>British Heart Journal, 1992-10, Vol.68 (10), p.398-402</ispartof><rights>1992 INIST-CNRS</rights><rights>Copyright BMJ Publishing Group LTD Oct 1992</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>true</woscitedreferencessubscribed><woscitedreferencescount>5</woscitedreferencescount><woscitedreferencesoriginalsourcerecordid>wosA1992JT82800013</woscitedreferencesoriginalsourcerecordid><citedby>FETCH-LOGICAL-b510t-1c887ac786d1d5461eae1947d77bd1d04ea57597bfdf605bddfe3e45f6da86443</citedby><cites>FETCH-LOGICAL-b510t-1c887ac786d1d5461eae1947d77bd1d04ea57597bfdf605bddfe3e45f6da86443</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC1025140/pdf/$$EPDF$$P50$$Gpubmedcentral$$H</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC1025140/$$EHTML$$P50$$Gpubmedcentral$$H</linktohtml><link.rule.ids>230,315,728,781,785,886,27197,27929,27930,53796,53798</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=5609240$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/1449924$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Baig, M W</creatorcontrib><creatorcontrib>Cowan, J C</creatorcontrib><creatorcontrib>Perrins, E J</creatorcontrib><title>Comparison of unipolar and bipolar ventricular paced evoked responses</title><title>British Heart Journal</title><addtitle>BRIT HEART J</addtitle><addtitle>Br Heart J</addtitle><description>Objectives—To study the differences between endocardial bipolar and unipolar ventricular paced evoked responses and surface electrocardiograms.Patients—10 patients with conduction system disease awaiting insertion of a permanent pacemaker were studied with temporary ventricular pacing from the right ventricular apex.Main outcome measure—Comparison of the durations of the QRS complexes and QTa and QTe intervals of the endocardial bipolar paced evoked response and the surface electrocardiogram with those of the reference unipolar paced evoked response.Results—By comparison with the unipolar reference, the mean durations of the QRS complexes of the bipolar signal and the surface electrocardiogram were 41·8% and 132·1% respectively. The mean QTa interval was 85·9% and 112·2% respectively and the mean QTe interval was 86·9% and 109·5% respectively. All these differences were significant. The amplitudes of the unipolar QRS complexes and T waves were significantly larger than those recorded in the bipolar configuration.Conclusions—Differences between the unipolar and bipolar ventricular paced evoked responses are significant. The time course of the unipolar signal is closer to that of the surface electrocardiogram. This indicates that the unipolar paced evoked response does not reflect local electrophysiological events, as has been suggested previously.</description><subject>Aged</subject><subject>Biological and medical sciences</subject><subject>Cardiac & Cardiovascular Systems</subject><subject>Cardiac dysrhythmias</subject><subject>Cardiac Pacing, Artificial</subject><subject>Cardiology. Vascular system</subject><subject>Cardiovascular System & Cardiology</subject><subject>Electrocardiography</subject><subject>Evoked Potentials - physiology</subject><subject>Female</subject><subject>Heart</subject><subject>Heart Block - physiopathology</subject><subject>Heart Ventricles - physiopathology</subject><subject>Humans</subject><subject>Life Sciences & Biomedicine</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Science & Technology</subject><subject>Sick Sinus Syndrome - physiopathology</subject><issn>0007-0769</issn><issn>1355-6037</issn><issn>1468-201X</issn><issn>2053-5864</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1992</creationdate><recordtype>article</recordtype><sourceid>EZCTM</sourceid><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNqNkc1v1DAQxS0EKkvhyBFpJRBCQlnsxF-5VKpC-VIFBwqquFiOM6HeJnawkwX-exxltQUucPKM5-enN34IPSR4Q0jBX1yFccPlJrVFKW-hFaFcZjkml7fRCmMsMix4eRfdi3GbWlpKfoSOCKVlmdMVOqt8P-hgo3dr364nZwff6bDWrlnX-3oHbgzWTHM9aAPNGnb-Oh0B4uBdhHgf3Wl1F-HB_jxGn16dXVRvsvMPr99Wp-dZzQgeM2KkFNoIyRvSMMoJaCAlFY0QdbrBFDQTrBR127Qcs7ppWiiAspY3WnJKi2N0sugOU91DY2ZjulNDsL0OP5XXVv05cfZKffU7RXDOCMVJ4OleIPhvE8RR9TYa6DrtwE9RiaIoS0Fm8PFf4NZPwaXlFBECY54onqhsoUzwMQZoD1YIVnM6KqWjuJzblE7iH_3u_4Ze4kjzJ_u5jkZ3bdDO2HjAGMeJms09X7DvUPs2GgvOwIE6JUnr3YXMZcqbFImW_09XdtSj9a7ykxtv9rNxhB-HNzpcKy4KwdT7z5XC7EsuL19-VCzxzxa-7rf_-IpfXPzWcA</recordid><startdate>19921001</startdate><enddate>19921001</enddate><creator>Baig, M W</creator><creator>Cowan, J C</creator><creator>Perrins, E J</creator><general>BMJ Publishing Group Ltd and British Cardiovascular Society</general><general>BRITISH MED JOURNAL PUBL GROUP</general><general>BMJ</general><general>BMJ Publishing Group LTD</general><scope>BSCLL</scope><scope>BLEPL</scope><scope>DTL</scope><scope>EZCTM</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>88I</scope><scope>8AF</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BTHHO</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>M0S</scope><scope>M1P</scope><scope>M2P</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>Q9U</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>19921001</creationdate><title>Comparison of unipolar and bipolar ventricular paced evoked responses</title><author>Baig, M W ; Cowan, J C ; Perrins, E J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-b510t-1c887ac786d1d5461eae1947d77bd1d04ea57597bfdf605bddfe3e45f6da86443</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1992</creationdate><topic>Aged</topic><topic>Biological and medical sciences</topic><topic>Cardiac & Cardiovascular Systems</topic><topic>Cardiac dysrhythmias</topic><topic>Cardiac Pacing, Artificial</topic><topic>Cardiology. Vascular system</topic><topic>Cardiovascular System & Cardiology</topic><topic>Electrocardiography</topic><topic>Evoked Potentials - physiology</topic><topic>Female</topic><topic>Heart</topic><topic>Heart Block - physiopathology</topic><topic>Heart Ventricles - physiopathology</topic><topic>Humans</topic><topic>Life Sciences & Biomedicine</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Science & Technology</topic><topic>Sick Sinus Syndrome - physiopathology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Baig, M W</creatorcontrib><creatorcontrib>Cowan, J C</creatorcontrib><creatorcontrib>Perrins, E J</creatorcontrib><collection>Istex</collection><collection>Web of Science Core Collection</collection><collection>Science Citation Index Expanded</collection><collection>Web of Science - Science Citation Index Expanded - 1992</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><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>Medical Database (Alumni Edition)</collection><collection>Science Database (Alumni Edition)</collection><collection>STEM Database</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 Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>BMJ Journals</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Science 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>ProQuest Central Basic</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>British Heart Journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Baig, M W</au><au>Cowan, J C</au><au>Perrins, E J</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Comparison of unipolar and bipolar ventricular paced evoked responses</atitle><jtitle>British Heart Journal</jtitle><stitle>BRIT HEART J</stitle><addtitle>Br Heart J</addtitle><date>1992-10-01</date><risdate>1992</risdate><volume>68</volume><issue>10</issue><spage>398</spage><epage>402</epage><pages>398-402</pages><issn>0007-0769</issn><issn>1355-6037</issn><eissn>1468-201X</eissn><eissn>2053-5864</eissn><coden>BHJUAV</coden><abstract>Objectives—To study the differences between endocardial bipolar and unipolar ventricular paced evoked responses and surface electrocardiograms.Patients—10 patients with conduction system disease awaiting insertion of a permanent pacemaker were studied with temporary ventricular pacing from the right ventricular apex.Main outcome measure—Comparison of the durations of the QRS complexes and QTa and QTe intervals of the endocardial bipolar paced evoked response and the surface electrocardiogram with those of the reference unipolar paced evoked response.Results—By comparison with the unipolar reference, the mean durations of the QRS complexes of the bipolar signal and the surface electrocardiogram were 41·8% and 132·1% respectively. The mean QTa interval was 85·9% and 112·2% respectively and the mean QTe interval was 86·9% and 109·5% respectively. All these differences were significant. The amplitudes of the unipolar QRS complexes and T waves were significantly larger than those recorded in the bipolar configuration.Conclusions—Differences between the unipolar and bipolar ventricular paced evoked responses are significant. The time course of the unipolar signal is closer to that of the surface electrocardiogram. This indicates that the unipolar paced evoked response does not reflect local electrophysiological events, as has been suggested previously.</abstract><cop>LONDON</cop><pub>BMJ Publishing Group Ltd and British Cardiovascular Society</pub><pmid>1449924</pmid><doi>10.1136/hrt.68.10.398</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Aged Biological and medical sciences Cardiac & Cardiovascular Systems Cardiac dysrhythmias Cardiac Pacing, Artificial Cardiology. Vascular system Cardiovascular System & Cardiology Electrocardiography Evoked Potentials - physiology Female Heart Heart Block - physiopathology Heart Ventricles - physiopathology Humans Life Sciences & Biomedicine Male Medical sciences Science & Technology Sick Sinus Syndrome - physiopathology |
| title | Comparison of unipolar and bipolar ventricular paced evoked responses |
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