What increases dead space in lungs9/19/2023 ![]() ![]() Before the VQ Mismatch, There Was a VQ Matchįor normal gas exchange to occur, oxygen within the lungs has to move into the bloodstream and carbon dioxide within the bloodstream has to move into the lungs. ![]() The difference in pathophysiology between a shunt and dead space is essentially why oxygen therapy works wonders in some patients but has a minimal effect on others. But how hypoxemia reacts to oxygen therapy is different based on whether the patient has a shunt or dead space the two problems associated with a VQ mismatch. ![]() The management for hypoxemia seems easy enough provide oxygen therapy as quick band-aid therapy to counteract the problem. Hypoxemia is an abnormally low concentration of oxygen in the blood which can lead to dire consequences when left untreated. ![]()
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