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.
Ventricular fibrillation. Ventricular fibrillation (V-fib) is a type of arrhythmia, or irregular heartbeat that affects your heartâs ventricles. Your heart is a muscle system that contains four chambers; the two bottom chambers are the ventricles.ecause V-fib can lead to cardiac arrest and death, it requires immediate medical attention. A defibrillator is an electronic device used to treat V-fib. It produces an electric shock that can restore a normal heartbeat.