Laboratory Diagnostics Flashcards Preview

OB/GYN > Laboratory Diagnostics > Flashcards

Flashcards in Laboratory Diagnostics Deck (16)
Loading flashcards...
1

Normal pH of Vaginal Secretions

3.8-4.5

2

How is vaginal pH testing done?

pH paper on lateral side of the vagina

3

What conditions can occur with a vaginal pH higher than 4.5?

Bacterial vaginosis
Trichomoniasis
Atrophic vaginitis
Rupture of membranes in pregnancy

4

Indications for a Vaginal Wet Mount

Itching
Burning
Rash
Odor
Discharge

5

Interfering Factors with a Vaginal Wet Mount

Not during menses
Avoid vaginal meds for 2-3 days prior
Vaginal irritation from tampons or intercourse

6

White Cells of Vaginal Secretions

Should be

7

Clue Cells of Vaginal Secretions

Vaginal epithelial cells that are covered with bacteria
Have shaggy borders

8

Describe Normal Vaginal Epithelial Cells

Sharp, distinct borders

9

Lactobacilli in Vaginal Secretions

Normal flora

10

What conditions cause fewer lactobacilli to be present?

Yeast vaginosis
Bacterial vaginosis

11

Describe Trichomonads

Mobile & zoom around the slide
Contain small tails

12

What does KOH do to vaginal secretions?

Removes normal cells & bacteria
Clears field so yeast buds & hyphae may be seen

13

Whiff Test with KOH

Apply KOH to slide and smell for amine (fishy) odor

14

What does NAAT stand for?

Nucleic Acid Amplification Testing

15

What sample is best for NAAT testing in women?

Vaginal fluid or endocervix

16

If doing a urine sample for NAAT testing, when should the patient get the sample?

Delayed 1 hour after last void
First-catch (10-30 cc)