Bacterial Vaginosis Diagnosis Criteria Explained
The question asks to identify which option is NOT a diagnostic criterion for bacterial vaginosis (BV).
Understanding Bacterial Vaginosis Criteria
Common diagnostic criteria for BV include:
- Thin, grey, homogenous vaginal discharge.
- Presence of clue cells (vaginal epithelial cells covered with bacteria) on microscopy.
- A positive whiff test (amine test), indicating the presence of volatile amines.
- An elevated vaginal pH, typically greater than 4.5.
Usually, at least three of these four criteria are needed for diagnosis (Amsel criteria).
Analyzing the Options
- Option 1: Vaginal $\text{pH} < 4.5$ - This indicates a normal or acidic vaginal environment, often seen in yeast infections, not BV. BV is associated with a pH greater than 4.5.
- Option 2: Homogenous vaginal discharge - This thin, greyish discharge is a hallmark symptom of BV.
- Option 3: Presence of clue cells - Clue cells are a key microscopic finding in BV.
- Option 4: Positive whiff test - This is another characteristic clinical finding for BV.
Conclusion
Vaginal pH < 4.5 is contrary to the typical findings in bacterial vaginosis. Therefore, it is the correct answer as it is an exclusion criterion.
Important Questions from Infections in Genital Tract
Which of the following are characteristics of Trichomonas vaginitis?
1. Presence of greenish frothy discharge
2. Vaginal pH > 4.5
3. Presence of clue cells in microscopic examination
4. Strawberry spots on the vaginal mucosa
Select the correct answer using the code given below:- Monilial vaginitis is commonly associated with all EXCEPT:
- A 30 year old lady, P2L2 presents with painful unilateral swelling in vulva for 3 days. Which
of the following statements are true regarding the above case?
1. Bartholin's abscess may be the likely diagnosis
2. It is to be managed by marsupialisation
3. Gonococcus is the most common pathogenic organism
Select the correct answer using the code given below: - Which of the following is NOT a characteristic clinical feature of Bacterial Vaginosis?
A 22 year old woman comes with complaints of pain and discomfort in vaginal region. On examination there is unilateral tender swelling in the posterior half of labium minus, overlying skin is red and edematous. What is the most probable diagnosis?
