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.
Early History. The first finely woven glass fibers, called mineral wool, were produced in 1870 by an inventor named John Player. At the 1893 World's Fair, spectators were able to view an elaborate dress made from fiberglass cloth. It wasn't until 1938 however, that the first fiberglass insulation was produced.It was invented by the Owens Corning Company, which is the world's number one producer of fiberglass to this day.t wasn't until 1938 however, that the first fiberglass insulation was produced. It was invented by the Owens Corning Company, which is the world's number one producer of fiberglass to this day.