{"title":"具有不规则边界的双域组织中纤维曲率的影响","authors":"J. Eason, N. Trayanova","doi":"10.1109/IEMBS.1993.978811","DOIUrl":null,"url":null,"abstract":"A two-dimensional bidomain model is used to investigate the effects of fiber curvature in the presence of irregular boundaries in cardiac tissue subjected to a uniform field. The coupled differential equations are solved using the finite element method. Fiber curvature is found to produce regions of alternating polarity in the transmembrane potential throughout the bulk of the tissue. Also, the magnitude of the transmembrane potential increases with a decrease in the radius of curvature.","PeriodicalId":408657,"journal":{"name":"Proceedings of the 15th Annual International Conference of the IEEE Engineering in Medicine and Biology Societ","volume":"32 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1993-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":"{\"title\":\"The effects of fiber curvature in a bidomain tissue with irregular boundaries\",\"authors\":\"J. Eason, N. Trayanova\",\"doi\":\"10.1109/IEMBS.1993.978811\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A two-dimensional bidomain model is used to investigate the effects of fiber curvature in the presence of irregular boundaries in cardiac tissue subjected to a uniform field. The coupled differential equations are solved using the finite element method. Fiber curvature is found to produce regions of alternating polarity in the transmembrane potential throughout the bulk of the tissue. Also, the magnitude of the transmembrane potential increases with a decrease in the radius of curvature.\",\"PeriodicalId\":408657,\"journal\":{\"name\":\"Proceedings of the 15th Annual International Conference of the IEEE Engineering in Medicine and Biology Societ\",\"volume\":\"32 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1993-10-28\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"3\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of the 15th Annual International Conference of the IEEE Engineering in Medicine and Biology Societ\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/IEMBS.1993.978811\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the 15th Annual International Conference of the IEEE Engineering in Medicine and Biology Societ","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IEMBS.1993.978811","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The effects of fiber curvature in a bidomain tissue with irregular boundaries
A two-dimensional bidomain model is used to investigate the effects of fiber curvature in the presence of irregular boundaries in cardiac tissue subjected to a uniform field. The coupled differential equations are solved using the finite element method. Fiber curvature is found to produce regions of alternating polarity in the transmembrane potential throughout the bulk of the tissue. Also, the magnitude of the transmembrane potential increases with a decrease in the radius of curvature.
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