To use the applet, click the Start button to initiate the simulation and the Reset button to return the parameters to their initial values. Check the box for each variable to plot it in the window. The final action potential duration (APD) and diastolic interval (DI) are calculated automatically. Press the Plot Currents button to view the individual transmembrane currents.
N(s1's) indicates the number of stimuli given at the cycle length indicated by S1 (bcl). S2 indicates the timing of the last stimulus.
Things to try:
Bernus O, Wilders R, Zemlin CW, Verschelde H, Panfilov AV. (2002) Am J Physiol Heart Circ Physiol 282, H2296-H2308.