public static List<PointF> ECG_Complex__QRST_VF (Patient _P, Lead _L, float _Amp) {
float _Length = _P.GetHR_Seconds,
_Wave = _P.GetHR_Seconds / 2f,
_Amplitude = (float)(Math.RandomDouble (0.3f, 0.6f) * _Amp);
List<PointF> thisBeat = new List<PointF> ();
while (_Length > 0f) {
thisBeat = Plotting.Concatenate (thisBeat, Plotting.Curve (ResolutionTime, _Wave, _Amplitude, 0f, Plotting.Last (thisBeat)));
// Flip the sign of amplitude and randomly crawl larger/smaller, models the
// flippant waves in v-fib.
_Amplitude = 0 - (float)Math.Clamp (Math.RandomDouble (_Amplitude - 0.1f, _Amplitude + 0.1f), -1f, 1f);
_Length -= _Wave;
}
return thisBeat;
}