The formula for exponential growth of a variable x at the (positive or negative) growth rate r, as time t goes on in discrete intervals (that is, at integer times 0, 1, 2, 3, ...), is. where x0 is the value of x at time 0.
Ventricular fibrillation is disorderly and irregular electrical activity in the heartâs ventricles. A heart affected by VFib âflutters.â These rapid beats prevent the heart from pumping adequate amounts of blood into the body. VFib is an emergency situation.
The pattern for ventricular fibrillation is... well, there really is no pattern. It is random electrical activity. Sometimes the amplitude of the waves is large (coarse VF), while other times the amplitude is so small (fine VF) that the rhythm is almost asystole.