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.
As a natural way of cleansing the tooth socket, the body will send more blood to the wound site, triggering bleeding after the performed surgery. Depending on how difficult was, the amount of blood secreted may vary. However, blood clot should be promoted within 24 hours after the surgery. Your dentist will ask you to bite a cotton pad on gently within first few hours to promote blood clot. On the first day, swelling and pain might still be excruciating, causing extreme discomfort while eating, even talking and opening the mouth.