Canada's culture draws from its broad range of constituent nationalities, and policies that promote a just society are constitutionally protected.he United States is home to a number of perceptions about Canadian culture, due to the countries' partially shared heritage and the relatively large number of cultural features common to both the US and Canada. For example, the average Canadian may be perceived as more reserved than his or her American counterpart.
In soft tissues, crepitus can be produced when gas is introduced into an area where it is normally not present. The term can also be used when describing the sounds produced by lung conditions such as interstitial lung diseaseâthese are also referred to as rales.
A pulmonary embolus is a blockage of an artery in the lungs by fat, air, blood clot, or tumor cells. Venous thrombo-embolism; Lung blood clot; Blood clot-lung; Embolus; Tumor embolus. Causes. Pulmonary emboli are most often caused by blood clots in the veins, especially veins in the legs or in the pelvis (hips).he most common cause of a pulmonary embolism is a blood clot in the veins of the legs, called a deep vein thrombosis (DVT). Many clear up on their own, though some may cause severe illness or even death.