One of the most important considerations in the acute management of atrial fibrillation is the need for anticoagulation (see the image below). Acute cardioversion for AF carries a risk of thromboembolism unless anticoagulation therapy is initiated prior to the procedure and continued post procedure.
The glass fibers are made of various types of glass depending upon the fiberglass use. These glasses all contain silica or silicate, with varying amounts of oxides of calcium, magnesium, and sometimes boron.
Quick Answer. Fiberglass insulation is made of plastic reinforced by tiny glass fibers. This gives the plastic additional strength and improves its insulation capacity. Fiberglass insulation may come in pre-made sheets or mats, or workers may spray the mixture into wall voids using a pressure hose.