{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,5,12]],"date-time":"2024-05-12T21:22:43Z","timestamp":1715548963803},"reference-count":13,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2005,1,27]],"date-time":"2005-01-27T00:00:00Z","timestamp":1106784000000},"content-version":"vor","delay-in-days":10833,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Anat. Rec."],"published-print":{"date-parts":[[1975,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Contraction of the conus arteriosus (conus) is visibly delayed in the tubular heart of the chick embryo, and since the electromechanical coupling interval of isolated conal segment is similar to other areas of the embryonic heart, the delayed contraction of the conus indicated an impedance in the spread of the depolarization wave across the ventriculo\u2010conal (VC) junction.<\/jats:p><jats:p>A surface electrode placed on the conus of hearts obtained from the 72\u2010hour chick embryo records a deflection, termed the C wave, appearing between the QRS complex and the T wave. To establish that the C wave arose from below the atrioventricular sulcus, atria were removed from a series of hearts from 96\u2010hour embryos and the electrogram revealed a C wave without a P wave.<\/jats:p><jats:p>The VC junction responds to digitoxin just as the atrioventricular tissue. Digitoxin prolongs the interval between the QRS and the C wave prior to a complete block in a manner analogous to the PR interval increase prior to the development of the Wenckebach phenomenon or complete atrioventricular block.<\/jats:p><jats:p>As the embryonic heart developed after 96 hours, the C wave was no longer identifiable in the ECG.<\/jats:p>","DOI":"10.1002\/ar.1091820204","type":"journal-article","created":{"date-parts":[[2005,2,26]],"date-time":"2005-02-26T08:04:04Z","timestamp":1109405044000},"page":"169-173","source":"Crossref","is-referenced-by-count":15,"title":["Conal contribution to the electrocardiogram of chick embryo hearts"],"prefix":"10.1002","volume":"182","author":[{"given":"George H.","family":"Paff","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Robert J.","family":"Boucek","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2005,1,27]]},"reference":[{"key":"e_1_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0022-0736(68)80014-7"},{"key":"e_1_2_1_3_1","doi-asserted-by":"publisher","DOI":"10.1161\/01.RES.7.5.787"},{"key":"e_1_2_1_4_1","first-page":"203","volume-title":"Symp. Electrophysiol. Heart, Milan","author":"Durrer D.","year":"1965"},{"key":"e_1_2_1_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0002-8703(39)90597-1"},{"key":"e_1_2_1_6_1","doi-asserted-by":"publisher","DOI":"10.1161\/01.RES.17.1.1"},{"key":"e_1_2_1_7_1","doi-asserted-by":"publisher","DOI":"10.1085\/jgp.49.2.351"},{"key":"e_1_2_1_8_1","doi-asserted-by":"publisher","DOI":"10.1085\/jgp.49.2.365"},{"key":"e_1_2_1_9_1","doi-asserted-by":"publisher","DOI":"10.1161\/01.RES.26.3.361"},{"key":"e_1_2_1_10_1","doi-asserted-by":"publisher","DOI":"10.1161\/01.RES.8.4.801"},{"key":"e_1_2_1_11_1","doi-asserted-by":"publisher","DOI":"10.1002\/ar.1091420111"},{"key":"e_1_2_1_12_1","doi-asserted-by":"publisher","DOI":"10.1002\/ar.1091600306"},{"key":"e_1_2_1_13_1","doi-asserted-by":"publisher","DOI":"10.1002\/ar.1091490205"},{"key":"e_1_2_1_14_1","doi-asserted-by":"crossref","first-page":"843","DOI":"10.1071\/BI9670843","article-title":"A study of electrograms recorded from the conus arteriosus of an elasmobranch heart","volume":"20","author":"Teb\u0113cis A. K.","year":"1967","journal-title":"Aust. J. biol. Sci."}],"container-title":["The Anatomical Record"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1002%2Far.1091820204","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/ar.1091820204","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,11,12]],"date-time":"2023-11-12T04:13:25Z","timestamp":1699762405000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/ar.1091820204"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1975,6]]},"references-count":13,"journal-issue":{"issue":"2","published-print":{"date-parts":[[1975,6]]}},"alternative-id":["10.1002\/ar.1091820204"],"URL":"https:\/\/doi.org\/10.1002\/ar.1091820204","archive":["Portico"],"relation":{},"ISSN":["0003-276X","1097-0185"],"issn-type":[{"value":"0003-276X","type":"print"},{"value":"1097-0185","type":"electronic"}],"subject":[],"published":{"date-parts":[[1975,6]]}}}