MICR 121 Lecture Notes - Lecture 13: Chlamydia Trachomatis, Pseudomonas Aeruginosa, Otitis Externa

• School: Queen's University
• Department: Microbiology and Immunology
• Course: MICR 121
• Professor: Prameet Sheth

Document Summary

Chlamydia trachomatis and neisseria gonorrhea: often in neonates, these two are sti, baby can get it at birth, cause of blindness in developed world countries. Diagnosing conjunctivitis: need to determine if it bacterial or viral, gram stain and culture (especially in neonates always culture and gram stain for neisseria gonorrhea and chlamydia trachomatis, chlamydia usually not cultured. Instead, use pcr: ba(cid:272)terial a(cid:374)ti(cid:271)ioti(cid:272) therapy, viral typi(cid:272)ally supporti(cid:448)e (cid:272)are u(cid:374)less h v. Investigation and tx depends on the severity of the infection (cid:862)s(cid:449)i(cid:373)(cid:373)er"s ear(cid:863) often in the summer and in kids/ older adults most common pseudomonas spp. Tx is often aimed drying the area (alcohol based drying: other potential pathogen include fungi (prolonged antibiotic use aspergillus, candida), also be dermatophytes. Eustachian tubes link nasopharynx to middle ear: draining normal secretions from middle, regular air pressure in the middle ear equalizing it with the outside, bacterial pathogens (40-60%): streptococcus pneumoniae, haemophilus influenza, other potential pathogens of the upper.