ID 4 Flashcards
Urethritis – Tx?
Cefexime or Ceftriaxone (gonorrhea)+Azithromycin or Doxycycline (chlamydia)
Urethritis – best initial test?
Urethral swab for Gram stain
Causes of Urethritis other than Gonorrhea/Chlamydia?
Mycoplasma genitalium & Ureaplasma
Cervicitis – presentation?
Cervical discharge & inflamed “strawberry” cervix on PE
Cervicitis – Tx?
- Testing & Tx are identical to UrethritisTx =Cefexime or Ceftriaxone (gonorrhea)+Azithromycin or Doxycycline (chlamydia)
Pelvic Inflammatory Disease (PID) – presentation?
- Lower abdominal tenderness- Lower abdominal pain- Fever- Cervical motion tenderness- Leukocytosis
PID – best 1st step?
Exclude pregnancy!
Dx?Painless genital ulcer
Syphilis
Dx?Painful genital ulcer
Chancroid (Haemophilus ducreyi)
Dx?Lymph nodes tender & suppurating + genital ulcer
Lymphogranuloma venereum
Dx?Painful vesicles, leading to ulcer
Herpes simplex
Syphilis – Dx tests?
Dark-field microscopy- CDRL or RPR (75% sensitive in primary syphilis)- FTA or MHA-TP (confirmatory)
Chancroid (H. ducreyi) – Dx tests?
Stain & culture on specialized media
Lympogranuloma venereum – Dx tests?
- Complement fixation titers in blood- Nucleic acid amplification testing on swab (PCR)
Herpes simplex – Dx tests?
- Tzanck prep = best initial test- Viral culture = most accurate test
Syphilis – Tx?
Single dose of intramuscular benzathine penicillin- Doxycycline in penicillin allergy(ulcers resolve on their own, Tx is to prevent further stages)
Chancroid (H. ducreyi) – Tx?
Azithromycin (single dose)
Lymphogranuloma venereum – Tx?
Doxycycline
Primary syphilis – presentation?
- Painless genital ulcer w/ heaped-up INDURATED EDGES (becomes painful if secondarily infected w/ bacteria)- Painless adenopathy
Secondary syphilis – presentation?
- Rash (palms & soles)- Alopecia areata- Mucous patches- Condylomata lata
Tertiary syphilis – presentation?
Neurosyphilis:- Meningovascular (stroke from vasculitis)- Tabes dorsalis (loss of P & V sense, incontinence, cranial nerve)- General paresis (memory & personality changes)- Argyll Robertson pupil (reacts to accommodation but not light)- Aortitis (aortic regurge & aneurysm)- Gummas (skin & bone lesions)
Syphilis Tx: If PCN-allergic, when do you desensitize to PCN instead of switching to Doxycycline
If neurosyphilis exists or if the patient is pregnant
Condyloma Acuminata – what is it?
Genital warts (papillomavirus)
Condyloma Acuminata – Dx test(s)?
Visual appearance alone