GENITAL TRACT INFECTIONS (AB) Flashcards
What is the normal pH range of vaginal discharge in premenopausal women?
3.8 - 4.5
What organism predominantly maintains the acidic environment of the vagina?
Lactobacilli
What are the microscopic findings of normal vaginal discharge?
Acidic rods, lactobacilli, or diphtheroids
What are some symptoms associated with abnormal vaginal discharge?
Superficial dyspareunia, dysuria, odor, vulvar burning, and pruritus
What is the most common symptom in gynecology?
Vaginal discharge
What causes bacterial vaginosis?
Replacement of normal hydrogen peroxide-producing lactobacillus with mixed anaerobic flora
Is bacterial vaginosis considered an STI?
No, it is sexually associated but not classified as an STI
What are the components of Amsel’s Criteria for diagnosing BV?
1) Thin gray-white discharge, 2) pH ≥ 4.5, 3) Positive Whiff test, 4) Clue cells on wet mount
What are clue cells?
Epithelial cells surrounded by bacteria, seen on wet mount
What is the gold standard diagnostic test for BV?
Gram stain with Nugent scoring
What Nugent score indicates bacterial vaginosis?
7-10
What is the most common treatment for BV?
Metronidazole 500mg PO BID for 7 days
Should sexual partners be routinely treated for BV?
No, routine treatment of partners is not recommended
What organism causes trichomoniasis?
Trichomonas vaginalis
What is the preferred pH environment for Trichomonas vaginalis?
Alkaline pH (around 6)
What is the classic discharge in trichomoniasis?
Frothy, yellow-green, malodorous discharge
What is the classic physical sign of trichomoniasis?
Strawberry cervix (erythema with punctate hemorrhages)
What is the gold standard test for trichomoniasis before NAAT?
Culture using Diamond medium
What is the CDC recommended treatment for trichomoniasis?
Metronidazole 2g orally as a single dose or Tinidazole 2g orally as a single dose
Should male partners be treated in trichomoniasis?
Yes, male partners should also be treated
What is the most common Candida species causing vulvovaginal candidiasis?
Candida albicans
Is vulvovaginal candidiasis sexually transmitted?
No
What are risk factors for vulvovaginal candidiasis?
Hormonal factors, antibiotic use, obesity, diabetes, pregnancy, immunosuppression
What is the predominant symptom of vulvovaginal candidiasis?
Vulvar itching