Airway obstruction is a respiratory problem caused by increased resistance in the bronchioles that reduces the amount of air inhaled in each breath and the oxygen that reaches the pulmonary arteries. It is different from airway restriction . Obstruction can be measured using spirometry. A decreased FEV1/VC ratio is indicative of an airway obstruction, as the normal amount of air can no longer be exhaled in the first second of...
Hey, Mike - I'll apologize in advance for the really long response - it's just that I sometimes miss teaching my interns, 2nd- and 3rd year residents in the Emergency...