The mucus that is produced during the paroxysmal stage is thicker and more difficult to clear than the more watery mucus of the catarrhal stage.
It covers paroxysmal, persistent and permanent AF, considers AF developing after surgical procedures, and offers advice on haemodynamically unstable AF.
Paroxysmal hypercyanoic attacks-Sudden episodes of cyanosis resulting from the circulation of deoxygenated blood to the body.
The paroxysmal stage, lasting two to four weeks, begins with the development of the characteristic whooping cough.
If individuals survive the paroxysmal stage, recovery occurs gradually during the convalescent stage, usually taking about three to four weeks.