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Obstetrics and Gynecology · USMLE Step 2 CK

USMLE Step 2 CK OB/GYN: Pelvic Infections and STIs

Pelvic inflammatory disease and sexually transmitted infection diagnosis and management scenarios tested on USMLE Step 2 CK.

34 cards · basic cards · AI-written, checked twice. Edit anything.

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What is the minimum clinical criteria set used to empirically diagnose and treat pelvic inflammatory disease (PID)?
Cervical motion tenderness, uterine tenderness, or adnexal tenderness in a sexually active woman with pelvic pain
What are the two most common causative organisms of pelvic inflammatory disease?
Chlamydia trachomatis and Neisseria gonorrhoeae
What is the standard outpatient antibiotic regimen for PID?
A single dose of IM ceftriaxone plus 14 days of oral doxycycline, with or without metronidazole
What is the standard inpatient IV antibiotic regimen for PID?
IV cefoxitin or cefotetan plus doxycycline
Name three indications for hospitalizing a patient with PID.
Tubo-ovarian abscess, pregnancy, or failure to respond to or tolerate oral outpatient therapy
What is Fitz-Hugh-Curtis syndrome?
Perihepatitis causing right upper quadrant pain as a complication of PID spreading along the peritoneum
How is a tubo-ovarian abscess managed if it fails to improve on IV antibiotics?
Image-guided or surgical drainage
What are the major long-term complications of pelvic inflammatory disease?
Infertility, ectopic pregnancy, and chronic pelvic pain
What is the most common bacterial sexually transmitted infection in the United States?
Chlamydia trachomatis infection
What is the typical clinical presentation of chlamydial infection in women?
Most infections are asymptomatic
What is the first-line treatment for chlamydia infection?
Doxycycline for 7 days
What do Neisseria gonorrhoeae organisms look like on Gram stain?
Gram-negative diplococci
What is the current first-line treatment for uncomplicated gonorrhea?
A single IM dose of ceftriaxone
How soon after birth does gonococcal conjunctivitis (ophthalmia neonatorum) typically present?
Within 2 to 5 days after birth
How soon after birth does chlamydial conjunctivitis typically present?
About 5 to 14 days after birth

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