Bidomain Modeling of Electrical and Mechanical Properties of Cardiac Tissue

This review discusses the bidomain model, a mathematical description of cardiac tissue. Most of the review covers the electrical bidomain model, used to study pacing and defibrillation of the heart. For a book-length analysis of this topic, consult the recently published second edition of Cardiac Bioelectric Therapy. In particular, one chapter in that book complements this review: it contains a table listing many bidomain predictions and their experimental confirmation, includes many original figures from earlier publications, and cites additional references. Near the end, the review covers the mechanical bidomain model, which describes mechanotransduction and the resulting growth and remodeling of cardiac tissue.

The review has several aims: to (1) introduce the bidomain model to younger investigators who are bringing new technologies from outside biophysics into cardiac physiology; (2) examine the interaction of theory and experiment in biological physics; (3) emphasize intuitive understanding by focusing on simple models and qualitative explanations of mechanisms; and (4) highlight unresolved controversies and open questions. The overall goal is to enable technologists entering the field to more effectively contribute to some of the pressing scientific questions facing physiologists.

Kit Parker, Editor-in-Chief of Biophysics Reviews, introduces the journal.

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Brad Roth

Brad Roth

Professor of Physics at Oakland University and coauthor of the textbook Intermediate Physics for Medicine and Biology.