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.
The strands of fibrin form a meshwork and trap blood cells and platelets which form into a solid clot. If a blood clot forms within a healthy blood vessel it can cause serious problems. So, there are also chemicals in the blood that prevent clots from forming and chemicals that 'dissolve' clots.There is balance between forming clots and preventing clots.lotting disorders. Sometimes a blood clot forms within a blood vessel that has not been injured or cut-for example: 1  A blood clot that forms within an artery supplying blood to the heart or brain is the common cause of heart attack and stroke.