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.
pertaining to a ventricle. ventricular septal defect a congenital heart defect in which the opening in the ventricular septum (normal in the fetus) persists after birth, in either the muscular or fibrous portion, most often due to failure of the bulbar septum to completely close the interventricular foramen.