It is Heart VI1 simulator simulink in investigation 27.You have not much time for others:
1)free download heart VI1 on PC matlab and simulink
2)click run.The time calcul or processor VI1 is about 2mn.
3)at the end click on general scope Vs(t) sinus,Va(t) atrial ,Vh(t) for his and Vv(t) for ventricular.
Sigh, again one of these heart simulators. Please, could you do us a favor and put all of them in one zip-file, submit it and remove all others. Really, that would be great! In addition, could you tell the community the difference between investigation 1-27?