Elderly aspiration pneumonia

Aspiration pneumonia mainly refers to the inflammatory lesions of the lung caused by the secretions of the mouth, nose, and throat, and the reflux of the stomach and esophagus by inhalation into the lower respiratory tract, reaching the alveoli and terminal respiratory tract. Inhalation is the most common way for pathogenic microorganisms to enter the lower respiratory tract, so aspiration pneumonia accounts for a large proportion of senile pneumonia.

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