Deep vein thrombosis â Perhaps the most important disease not to miss when dealing with legs that have suddenly become swollen. Years after the deep vein thrombosis has subsided and forgotten, post-phlebitic changes can still be a cause for a swollen leg.
1 A patent foramen ovale (PFO) is an opening covered by a flap of tissue in the wall of the heart that separates the two upper chambers or atria. 2  PFOs are very common, more than 20% of all humans have one.3  Estimates range from 20-30% depending on the decade of life. A patent foramen ovale (PFO) is an opening covered by a flap of tissue in the wall of the heart that separates the two upper chambers or atria. 2  PFOs are very common, more than 20% of all humans have one. 3  Estimates range from 20-30% depending on the decade of life.
-------- ---------. PFOS. PFOA is perfluorooctanoic acid and is sometimes called C8 or C-8. It is a man-made chemical and does not occur naturally in the environment. Perfluorooctanoic acid (PFOA or C8) CAS No: 335-67-1.Molecular formula:The PFOA acronym is used to indicate not only perfluorooctanoic acid itself, but also its principal salts.t is a man-made chemical and does not occur naturally in the environment. Perfluorooctanoic acid (PFOA or C8) CAS No: 335-67-1. Molecular formula: The PFOA acronym is used to indicate not only perfluorooctanoic acid itself, but also its principal salts.