1. asking the patient to sit down with the head tilted back and the mouth open wide to remove secretions from the mid-surface of the anterior nasal orifice.
2, the sampler fixes the tongue with a tongue depressor and swabs with polyester or calcium alginate across the tongue root to the posterior pharyngeal wall and tonsillar crypt and lateral wall.
3, repeatedly wipe 3 to 5 times to collect mucosal cells.
4, gently remove the swab, avoiding touching the tongue, pendulous gland, oral mucosa and saliva.
5、The swab is inserted back into the sampling device or a suitable transfer device.
Note
1, for septic pharyngitis, oropharyngeal swab bacterial culture is mainly used to screen for group A beta-hemolytic streptococci and Cryptobacterium hemolyticum.
2. when testing for Neisseria gonorrhoeae in oropharyngeal swabs, the clinic needs to inform the laboratory in advance.
3. for pediatric patients, routine reporting of Haemophilus influenzae is appropriate.
4, in general, the pharyngeal swab specimen is not selected alone to diagnose upper respiratory tract infections, it is appropriate to combine the test with nasopharyngeal swab or nasopharyngeal aspirate to improve the pathogen detection rate of respiratory tract infections.
