Source / episode info
- **Episode:**177
- **Title:**Divine Intervention Episode 177 – USMLE Step 2CK Rapid Review Series 24 (OGBYN).
- **Published:**2019-10-28
- Source:Episode page
One-liner
This episode provides a rapid review of high-yield OBGYN topics including the diagnostic criteria and treatment of PCOS, age-specific cervical cancer screening guidelines, management of UTIs (especially in men), severe diabetic infections, and key prenatal/obstetric tests like Kleihauer-Betke and amniocentesis.
High-yield summary
- PCOS Diagnosis: Requires meeting 2 of the following criteria: Hyperandrogenism (e.g., hirsutism), Oligo-/Anovulation (irregular periods/infertility), and Polycystic ovaries on ultrasound. Insulin resistance is an associated finding, not a diagnostic criterion.
- Cervical Screening: For women aged 30–65, the preferred screening method is co-testing with Pap smear + HPV test every 5 years. Stop screening at age 65 if multiple negative results are obtained and there is no history of high-grade lesions (CIN 2+).
- UTI Management: In men, avoid Nitrofurantoin for UTIs due to potential resistance/efficacy issues; Ciprofloxacin or TMP-SMX are preferred agents. Pyelonephritis requires empiric IV antibiotics (e.g., Ceftriaxone) and imaging (CT Abdomen with contrast).
- Diabetic Emergencies: Diabetic patients require aggressive management of infections, as they can rapidly progress to life-threatening complications like Fournier's gangrene or emphysematous pyelonephritis. Mucormycosis requires aggressive debridement and antifungal therapy (e.g., Terbinafine).
- Prenatal Testing: The Kleihauer-Betke test quantifies fetal blood mixed with maternal blood to determine the necessary dose of Rh immune globulin ({RhIg}) for {Rh}-negative mothers, preventing Hemolytic Disease of the Newborn (HDN).
Learning objectives
- Differentiate the diagnostic criteria for PCOS and select appropriate hormonal/symptomatic treatments.
- Apply age-appropriate guidelines for cervical cancer screening, including interpreting Pap smear results (ASCUS, high glandular cells).
- Select appropriate antibiotics for UTIs in men versus women, recognizing contraindications like Nitrofurantoin in males.
- Recognize the signs and management of severe diabetic infections, particularly necrotizing fasciitis and emphysematous pyelonephritis.
- Understand the indications and mechanisms of prenatal testing (Kleihauer-Betke, amniocentesis).
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