Rockroses for Northwest Gardens. Cistus x aguilarii âMaculatusâ. . . . rock roses are a pleasure to plant and their possibilities are endless. They are best clothing hot, dry banks, or tumbling over rocks in a chaparral-type planting, or billowing out from an island planting of drought resistant shrubs . . .
Premature Ventricular Contractions. Description. Premature ventricular contractions (PVCs) are beats which are initiated in the ventricles or lower chambers of the heart, prematurely. As opposed to PACs, when the SA node (the natural pacemaker of the heart) gets interrupted, PVCs do not interrupt the SA node.
Polyvinyl chloride, better known as PVC or vinyl, is an inexpensive plastic so versatile it has become completely pervasive in modern society. The list of products made from PVC is exhaustive, ranging from phonograph records to drainage and potable piping, water bottles, cling film, credit cards and toys.olyvinyl chloride, better known as PVC or vinyl, is an inexpensive plastic so versatile it has become completely pervasive in modern society. The list of products made from PVC is exhaustive, ranging from phonograph records to drainage and potable piping, water bottles, cling film, credit cards and toys.