Foreign body. Atelectasis is common in children who have inhaled an object, such as a peanut or small toy part, into their lungs. Narrowing of major airways from disease. Chronic infections, including fungal infections, tuberculosis and other diseases, can scar and constrict major airways. Tumor in a major airway.
He'll be placed on blood thinners to break up the clots...which can take from days to weeks. This is also a very dangerous time for him, as a clot could travel and lodge in a coronary artery on his heart, causing a heart attack, or it could travel and lodge in an artery in his brain causing a stroke.
Blood clots are gel-like clumps of blood. They are beneficial when they form in response to an injury or a cut, plugging the injured blood vessel, which stops bleeding. Some blood clots form inside your veins without a good reason and don't dissolve naturally. These may require medical attention, especially if they are in your legs or are in more critical locations, such as your lungs and brain. A number of conditions can cause this type of blood clot. Causes.