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.
Perfluorochemicals (PFCs) are a class of man-made chemicals. In most cases, PFCs are not regulated by the U.S. Environmental Protection Agency (EPA). PFCs have been used for many years to make products that resist heat, stains, grease and water.Because of their widespread use, most people in the United States have some PFCs in their body.n most cases, PFCs are not regulated by the U.S. Environmental Protection Agency (EPA). PFCs have been used for many years to make products that resist heat, stains, grease and water. Because of their widespread use, most people in the United States have some PFCs in their body.