FitzHugh-Nagumo Simplified Cardiac Action Potential Model, 1961

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v. 1.3


The FitzHugh-Nagumo model is a simplification of the Hodgkin-Huxley (1952) model. The number of equations is reduced to two: a cubic equation representing the fast variable (u) and liniar equation for the slow variable (vv). The model was modified by Aliev and Panfilov to better approximate cardiac action potential properties.


  • Impulses and physiological states in theoretical models of nerve membrane, FitzHugh, R.A., 1961, Biophys. J., 1, 445-466.
  • A simple two-variable model of cardiac excitation, Aliev, R.R. and Panfilov, A.V., 1996, Chaos, Solitons and Fractals, 7, 293-301.


This model is part of the stable CESE distribution.