GENITOURINARY INFECTIONS

GENITOURINARY INFECTIONS - Gram pos. cocci Virulence:...

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GENITOURINARY INFECTIONS Urinary Tract Infections (UTI's) Urethritis - inflammation urethra Cystitis - inflammation bladder Pyelonephritis - inflammation kidneys Usually caused by Gram neg. bacilli of GI tract: (E. coli, Proteus, Pseudomonas, Klebsiella). Occur due to: 1) Obstruction that prevents complete emptying of bladder - scarring urethra, compression bladder by uterus, enlarged prostate, paralysis, deformity sphincter muscle, infrequent urination. Upon standing pH urine neutralizes, can serve as reservoir for microbial growth. 2) Nosocomial infection due to poor asepsis while inserting catheter or other instrument into urethra, bladder. Identification: urinalysis, urine culture Toxic Shock Syndrome TSS - Staphylococcus aureus
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Unformatted text preview: Gram pos. cocci Virulence: Strain causing TSS produces an exfoliation exotoxin (scalded skin syndrome) and entero-exotoxin (diarrhea, shock). Transmission: From URT, skin of carriers. Hands most common vector tampon vagina. Disease: Organism in numbers in blood & abrasions in m.m. of vaginal wall secretes toxins bloodstream. Causes sunburn-like rash on skin skin and m.m. separate and slough off inflammation. Also accomp. by severe vomiting, diarrhea. Blood pressure , shock can be fatal. Prevention: Washing hands before handling, insertion of tampon; avoiding use of tampons. Has also occurred in males following surgery, or with boils or other Staph infections....
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