Pseudomonas aeruginosa keratitis how to distinguish

Pseudomonas aeruginosa keratitis can be identified by patient signs, gram staining examination, pathogen culture and other methods.

1, patient signs Pseudomonas

aeruginosa keratitis acute onset, rapid development, patients in corneal trauma will appear gray infiltration phenomenon, conjunctival sac and focus will appear yellow-green secretions accompanied by odor, hyphema, ulcer will affect the entire cornea in a short time.

2, gram staining examination

by scraping corneal ulcer secretions for gram staining examination, negative slender bacteria, slender and different lengths, usually in pairs or short chain arrangement, one end of the bacteria has flagella.

3, pathogen culture

by ordinary agar plate for flora culture, in the flora growth 18-24h after the flat, moist colonies, smooth surface, the production of water-soluble pigment infiltration culture medium will be bright green.