i just want to add that everyone always says how clear my lungs sound... no crackles, no nothing...
BUT, that's not always a good thing!
i'm at <20% function and could fill buckets with mucus... i sound great because i'm not MOVING AIR in most of my lungs. no air moving= no crackling/gurgling. your son knows his body the best. also, the ventilation/ profusion study ratatosk mentioned is useful in seeing this (also called a V/Q scan). There were two parts to mine, one where i inhaled the isotope to see the air flow through my lungs and the other right after in which a different isotope was injected into my IV to see the blood flow through them. This was part of my transplant workup (and was SO COOL to see on the monitor as it was happening)
BUT, that's not always a good thing!
i'm at <20% function and could fill buckets with mucus... i sound great because i'm not MOVING AIR in most of my lungs. no air moving= no crackling/gurgling. your son knows his body the best. also, the ventilation/ profusion study ratatosk mentioned is useful in seeing this (also called a V/Q scan). There were two parts to mine, one where i inhaled the isotope to see the air flow through my lungs and the other right after in which a different isotope was injected into my IV to see the blood flow through them. This was part of my transplant workup (and was SO COOL to see on the monitor as it was happening)