Causes of CTEPH. A blood clot in the lungs is known as a pulmonary embolism (PE), which can become lodged there and accumulate other clots. PE can block blood flow into the lungs and can be life threatening. These blood clots usually form in the legs that break loose and then travel to the lung.
The purpose of the Bay of Pigs Invasion was to overthrow the Cuban government under Fidel Castro. The U. â¦ S. backed Bay of Pigs invasion, which aimed to overthrow Fidel Castro's communist rule, was a failure. It was a huge political victory for Castro because it soldified his power over Communist Cuba.
The purpose of Island Hopping was to bypass and cut off certain heavily defended areas that did not serve an absolutely vital purpose in the Allied advance to Japan. By cutt â¦ ing off certain Japanese strong points, the Allies were able to, in most cases, keep those strongpoints from being re-supplied.