Airway obstruction is a blockage of respiration in the airway. It can be broadly classified into being either in the upper airway or lower airway.

1. The patient was admitted to the hospital due to severe airway obstruction caused by an allergic reaction.
   患者因過敏反應(yīng)導(dǎo)致嚴(yán)重氣道阻塞而被送入醫(yī)院。
2. In cases of airway obstruction, it is crucial to perform the Heimlich maneuver to dislodge any foreign object.
   在氣道阻塞的情況下，進(jìn)行海姆立克急救法以排除任何異物是至關(guān)重要的。