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Microbiology Block 3 > Bacterial Vaginosis > Flashcards

Bacterial Vaginosis Flashcards

1
Q

What is Vaginitis ?

A

Inflammation of the vagina

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2
Q

Symptoms of vaginitis?

A

Abnormal vaginal discharge

Itching, pain

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3
Q

why vaginitis occurs?

A

Imbalance in microbial flora

Infection

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4
Q

what bacteria is found normally in the vagina?

A

Lactobacillus

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5
Q

what bacteria may colonize the vagina?

A

Escherichia coli

Group B Streptococcus

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6
Q

bacteria that may colonize the vagina can lead to what?

A

neonatal meningitis

pneumonia*

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7
Q

what does lactobacilli help do?

A

keep ph at 4.5

prevents growth of potential pathogens

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8
Q

Supression of Lactobacilli by antibiotics/other reasons can result in what?

A

overgrowth of other normal flora - vaginitis

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9
Q

what bacteria can overgrow if lactobacillus is inhibited?

A

Vaginal candidiasis

Bacterial vaginosis

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10
Q

what is Bacterial vaginosis?

A

overgrowth of Mobiluncus + Gardnerella*

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11
Q

what is Vaginal candidiasis?

A

overgrowth of Candida albicans*

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12
Q

what are the Important colonizers of vagina?

A

E.coli *

Group B Streptococcus *

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13
Q

how does Bacterial vaginosis present?

A

Thin, grey, vaginal discharge*

Fishy odor after coitus

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14
Q

how do you confirm a diagnosis of bacterial vaginosis?

A
  • presence of Clue cells *
  • pH>4.5
  • Positive whiff test
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15
Q

what are clue cells?

A

Squamous epithelial cells studded with coccobacilli

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16
Q

what is a positive KOH whiff test?

A

Add KOH → fishy odor

17
Q

what is the treatment for bacterial vaginosis?

A
  • Oral metronidazole or clindamycin
  • Topical intravaginal cream – Metronidazole or Clindamycin
18
Q

what are the most common causes of vaginitis in symptomatic women?

A
  • Bacterial vaginosis
  • Vaginal candidiasis
  • Trichomoniasis
19
Q

what is this?

A

vaginal candidiasis

20
Q

what is seen in Vaginal Candidiasis?

A

Abnormal curd-like/cottage-cheese discharge

Itching, pain

Mucocutaneous

21
Q

how does vaginal candidiasis look like under the microscope?

A

Budding yeast-like cells

22
Q

vaginal candidiasis is what?

A

a Pseudohyphae

23
Q

treatment for vaginal candidiasis?

A

Antifungal intravaginal creams:

  • miconazole
  • clotrimazole
24
Q

what is seen with trichomoniasis?

A
  • Abnormal yellowish, watery discharge
  • Itching, burning & painful urination
25
Q

how does trichomoniasis spread?

A

Sexually transmitted infection

26
Q

what test is used to detect and confirm trichomoniasis infection?

A

pap smear

27
Q

what is seen under the microscope in trichomoniasis?

A

motile trophozoites

28
Q

treatment for trichomoniasis?

A

Metronidazole

29
Q

what is this?

A

trichomoniasis in a pap smear

Microbiology Block 3 (39 decks)

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