Pressure on the thoracic veins and on the air-passage causes cyanosis and dyspnœa.
The commonest causes are a wound of some air-passage, or a penetrating wound of the chest wall without injury to the lung.
These are drawn from the mouth into the air-passage during a sudden inspiratory effort, for example while laughing or sneezing.
Breathing through a tube, if continued for a long time, interferes with the natural growth of the air-passage above it.
Undercast, un′dėr-kast, n. an air-passage crossing a road in a mine by means of an air-tight box or channel beneath it.
These plates rested on a series of truly faced bars, which crossed the end of the air-passage.
Surely you would expect that so important a member as the air-passage would be doubled for safety.
The pus may burst into the cellular tissue of the neck, or into the air-passage or the œsophagus.
Other complications include septic broncho-pneumonia from damage to the air-passage, and suppurative thyreoiditis.
Death may take place from rupture, or from pressure on the air-passage.