THE PHYSICS OF THE HEART

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Table of Contents

THE PHYSICS OF THE HEART

Outline

The cardiac membrane is a planar accelerator that uses gradients of 107 volts per meter to accelerate heavy ions to energies of 70 meV.

The Spatial and Temporal Scales of Cardiac Electrodynamics

The Classical Forward and Inverse Problems

The Ultimate Inverse Problem

The Ultimate Forward Problem

Current Research

Cardiac Reentry

Functional Reentry

Winfree’s Critical Point Hypothesis

Bidomain Anisotropies and the Critical Point Hypothesis

Initiation of Spiral Wave Reentry

Spiral Wave and Figure-of-Eight Reentry

Initiation of Quatrefoil Reentry

Quatrefoil Reentry Predicted by the Bidomain Model

Experimental Setup

Optical Imaging of Quatrefoil Reentry

The Challenge

Author: John P. Wikswo