Lecture 5: STI Diagnosis

Question 1

What is a classic presentation of Trichomonas?

Answer 1

Trichomonas: Microscopic parasite.

Foul-smelling, frothy discharge. “Strawberry cervix”, itchy, dysuria, foul odor, high pH.

Question 2

What is a classic presentation of Candidiasis?

Answer 2

Fungus. Itchy, thick clumpy cheese discharge, high pH.

Question 3

What is a classic presentation for bacterial vaginosis?

Answer 3

Foul, fishy odor, thin milky-white discharge, itchy, dysuria, positive whiff test, clue cells.

Question 4

What are some diagnostic tests for Trichomonas?

Answer 4

Culture
Antigen detection (OSOM rapid test)
DNA probe (affirm)
Wet mount

Question 5

What are some diagnostic tests for candida?

Answer 5

Largely clinical.
DNA probe
Wet Mount

Question 6

What are some diagnostic tests for bacterial vaginosis?

Answer 6

Fulfill Amsel’s criteria: 3/4 of following:

1. Whiff test positive for fishy or musty odor on KOH
2. Clue cells
3. Vaginal pH > 4.5
4. Homogeneous, non-inflammatory discharge

Question 7

What are classic Chlamydia symptoms?

Answer 7

Cervicitis - heavy or prolonged menses, spotting, dysmenorrhea, dyspareunia, vaginal discharge.

Question 8

What are some Gonorrhea symptoms?

Answer 8

Cervicitis - yellow or bloody vaginal discharge, painful urination, dysmenorrhea.

Question 9

What test should be used in chlamydia?

Answer 9

A nucleic acid amplification test NAAT

Culture can be done in medical legal test

Question 10

What test should be used in Gonorrhea?

Answer 10

A nucleic acid amplification test (NAAT).

Culture can test rectal and pharyngeal specimins and for medical-legal purposes.