Pseudo A-V block associated with A-H and H-V conduction defects
His bundle electrograms were recorded in a patient with tertiary syphilis whose ECG's showed right bundle branch block, junctional premature systoles, and episodes suggesting both Mobitz Type I and II second degree A-V block. Junctional premature depolarizations were found to cause: (1) ventric...
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| Veröffentlicht in: | The American heart journal 1973-06, Vol.85 (6), p.789-796 |
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| container_end_page | 796 |
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| container_issue | 6 |
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| container_title | The American heart journal |
| container_volume | 85 |
| creator | Eugster, George S. Godfrey, Clarke C. Brammell, H.L. Pryor, Ray |
| description | His bundle electrograms were recorded in a patient with tertiary syphilis whose ECG's showed right bundle branch block, junctional premature systoles, and episodes suggesting both Mobitz Type I and II second degree A-V block. Junctional premature depolarizations were found to cause: (1) ventricular systole, (2) retrograde atrial depolarizations with atrial fusion, and (3) nonconducted P waves of normal contour (pseudo A-V block). Nonconducted nonpremature P waves were also noted to occur secondary to both A-H and H-V forms of second degree A-V block in the absence of junctional premature activity.
The presence of an H-V conduction defect may cause antegrade block of junctional premature depolarizations and enhance their expression as pseudo A-V block. This term should, therefore, not be meant to imply A-H and H-V conduction. |
| doi_str_mv | 10.1016/0002-8703(73)90430-4 |
| format | Article |
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The presence of an H-V conduction defect may cause antegrade block of junctional premature depolarizations and enhance their expression as pseudo A-V block. This term should, therefore, not be meant to imply A-H and H-V conduction.</description><identifier>ISSN: 0002-8703</identifier><identifier>EISSN: 1097-6744</identifier><identifier>DOI: 10.1016/0002-8703(73)90430-4</identifier><identifier>PMID: 4702666</identifier><language>eng</language><publisher>United States: Mosby, Inc</publisher><subject>Aged ; Atropine - pharmacology ; Diagnosis, Differential ; Electrocardiography ; Female ; Heart Atria - physiopathology ; Heart Block - diagnosis ; Heart Block - physiopathology ; Heart Conduction System - drug effects ; Heart Conduction System - physiopathology ; Heart Ventricles - physiopathology ; Humans ; Lidocaine - pharmacology ; Pacemaker, Artificial ; Syphilis, Cardiovascular - physiopathology</subject><ispartof>The American heart journal, 1973-06, Vol.85 (6), p.789-796</ispartof><rights>1973</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c357t-43de5861f823b43c026dcd6194f193abeaf723b1216e65e01745e48bdd74f3f63</citedby><cites>FETCH-LOGICAL-c357t-43de5861f823b43c026dcd6194f193abeaf723b1216e65e01745e48bdd74f3f63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/0002-8703(73)90430-4$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/4702666$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Eugster, George S.</creatorcontrib><creatorcontrib>Godfrey, Clarke C.</creatorcontrib><creatorcontrib>Brammell, H.L.</creatorcontrib><creatorcontrib>Pryor, Ray</creatorcontrib><title>Pseudo A-V block associated with A-H and H-V conduction defects</title><title>The American heart journal</title><addtitle>Am Heart J</addtitle><description>His bundle electrograms were recorded in a patient with tertiary syphilis whose ECG's showed right bundle branch block, junctional premature systoles, and episodes suggesting both Mobitz Type I and II second degree A-V block. Junctional premature depolarizations were found to cause: (1) ventricular systole, (2) retrograde atrial depolarizations with atrial fusion, and (3) nonconducted P waves of normal contour (pseudo A-V block). Nonconducted nonpremature P waves were also noted to occur secondary to both A-H and H-V forms of second degree A-V block in the absence of junctional premature activity.
The presence of an H-V conduction defect may cause antegrade block of junctional premature depolarizations and enhance their expression as pseudo A-V block. This term should, therefore, not be meant to imply A-H and H-V conduction.</description><subject>Aged</subject><subject>Atropine - pharmacology</subject><subject>Diagnosis, Differential</subject><subject>Electrocardiography</subject><subject>Female</subject><subject>Heart Atria - physiopathology</subject><subject>Heart Block - diagnosis</subject><subject>Heart Block - physiopathology</subject><subject>Heart Conduction System - drug effects</subject><subject>Heart Conduction System - physiopathology</subject><subject>Heart Ventricles - physiopathology</subject><subject>Humans</subject><subject>Lidocaine - pharmacology</subject><subject>Pacemaker, Artificial</subject><subject>Syphilis, Cardiovascular - physiopathology</subject><issn>0002-8703</issn><issn>1097-6744</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1973</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kM9LwzAUx4Moc07_A4WeRA_VpEmT9uIYQ50w0IN6DWnygtGumU2r-N-burGjp8fj--PxPgidEnxFMOHXGOMsLQSmF4JelphRnLI9NCa4FCkXjO2j8c5yiI5CeI8rzwo-QiMmcMY5H6PpU4De-GSWviZV7fVHokLw2qkOTPLtureoLBLVmGQRHdo3pted801iwILuwjE6sKoOcLKdE_Ryd_s8X6TLx_uH-WyZapqLLmXUQF5wYouMVozqeN1ow0nJLCmpqkBZERWSEQ48B0wEy4EVlTGCWWo5naDzTe-69Z89hE6uXNBQ16oB3wdZkDLLWIQwQWxj1K0PoQUr161bqfZHEiwHbnKAIgcoUlD5x00OsbNtf1-twOxCW1BRv9noEJ_8ctDKoB00GoxrIwdpvPv_wC-LD3mp</recordid><startdate>197306</startdate><enddate>197306</enddate><creator>Eugster, George S.</creator><creator>Godfrey, Clarke C.</creator><creator>Brammell, H.L.</creator><creator>Pryor, Ray</creator><general>Mosby, Inc</general><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>7X8</scope></search><sort><creationdate>197306</creationdate><title>Pseudo A-V block associated with A-H and H-V conduction defects</title><author>Eugster, George S. ; Godfrey, Clarke C. ; Brammell, H.L. ; Pryor, Ray</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c357t-43de5861f823b43c026dcd6194f193abeaf723b1216e65e01745e48bdd74f3f63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1973</creationdate><topic>Aged</topic><topic>Atropine - pharmacology</topic><topic>Diagnosis, Differential</topic><topic>Electrocardiography</topic><topic>Female</topic><topic>Heart Atria - physiopathology</topic><topic>Heart Block - diagnosis</topic><topic>Heart Block - physiopathology</topic><topic>Heart Conduction System - drug effects</topic><topic>Heart Conduction System - physiopathology</topic><topic>Heart Ventricles - physiopathology</topic><topic>Humans</topic><topic>Lidocaine - pharmacology</topic><topic>Pacemaker, Artificial</topic><topic>Syphilis, Cardiovascular - physiopathology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Eugster, George S.</creatorcontrib><creatorcontrib>Godfrey, Clarke C.</creatorcontrib><creatorcontrib>Brammell, H.L.</creatorcontrib><creatorcontrib>Pryor, Ray</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>The American heart journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Eugster, George S.</au><au>Godfrey, Clarke C.</au><au>Brammell, H.L.</au><au>Pryor, Ray</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Pseudo A-V block associated with A-H and H-V conduction defects</atitle><jtitle>The American heart journal</jtitle><addtitle>Am Heart J</addtitle><date>1973-06</date><risdate>1973</risdate><volume>85</volume><issue>6</issue><spage>789</spage><epage>796</epage><pages>789-796</pages><issn>0002-8703</issn><eissn>1097-6744</eissn><abstract>His bundle electrograms were recorded in a patient with tertiary syphilis whose ECG's showed right bundle branch block, junctional premature systoles, and episodes suggesting both Mobitz Type I and II second degree A-V block. Junctional premature depolarizations were found to cause: (1) ventricular systole, (2) retrograde atrial depolarizations with atrial fusion, and (3) nonconducted P waves of normal contour (pseudo A-V block). Nonconducted nonpremature P waves were also noted to occur secondary to both A-H and H-V forms of second degree A-V block in the absence of junctional premature activity.
The presence of an H-V conduction defect may cause antegrade block of junctional premature depolarizations and enhance their expression as pseudo A-V block. This term should, therefore, not be meant to imply A-H and H-V conduction.</abstract><cop>United States</cop><pub>Mosby, Inc</pub><pmid>4702666</pmid><doi>10.1016/0002-8703(73)90430-4</doi><tpages>8</tpages></addata></record> |
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| ispartof | The American heart journal, 1973-06, Vol.85 (6), p.789-796 |
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| language | eng |
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| source | MEDLINE; Access via ScienceDirect (Elsevier) |
| subjects | Aged Atropine - pharmacology Diagnosis, Differential Electrocardiography Female Heart Atria - physiopathology Heart Block - diagnosis Heart Block - physiopathology Heart Conduction System - drug effects Heart Conduction System - physiopathology Heart Ventricles - physiopathology Humans Lidocaine - pharmacology Pacemaker, Artificial Syphilis, Cardiovascular - physiopathology |
| title | Pseudo A-V block associated with A-H and H-V conduction defects |
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