INFECTIOUS DISEASES Flashcards
red eye with purulent discharge, tense edema of eyelids with marked chemosis; incubation period 2-5 days
Neisseria gonorrhoeae
Ceftriaxone 50 mg/kg/day for 1 dose
mild to severe swelling of eyelids with copious purulent discharge; incubation period 5-14 d
Chlamydia trachomatis
Systemic antibiotics; Gentamicin eye ointment
EYE INFECTIONS AND CAUSATIVE AGENTS
most common cause of viral conjunctivitis pharyngoconjunctival fever (red eye, red throat, fever)
Adenovirus
Cestodes (flatworms) – all are treated with ______ EXCEPT Echinococcus granulosus (_______)
Praziquantel
Albendazole
All TREMATODES (flukes) are treated with
Praziquantel
DOC Ascaris, Ancylostoma, Necator, Capillaria
Albendazole
DOC Trichuris
Mebendazole
DOC Enterobius
Pyrantel pamoate
DOC Strongyloides
Ivermectin
DOC Wuchereria and Brugia
DEC
DOC Trichinella
Thiabendazole
Retinopathy w/ keratitis in a newborn or a young child; Mother has hx of drug abuse
Cytomegalovirus (CMV chorioretinitis)
Which drug will you give topically to eradicate the nasopharyngeal carriage of Staphylococcus aureus in an adolescent with recurrent carbunculosis?
Mupirocin
old name for staphylococcal scalded skin syndrome; exfoliatins A and B are distinct proteins that produce localized or generalized skin manifestations; produce skin separation by splitting the desmosome changing the IC matrix in the stratum granulosum
Ritter Disease
DOC for Staph SSS
Oxacillin or if MRSA is suspected, start Vancomycin
POST-EXPOSURE PROPHYLAXIS for Varicella in a younger child
live varicella vaccine itself can be given within 3-5 days of exposure to modify the course.
Passive immunization with Varicella Zoster IG (VZIG) is for
(1) immunocompromised,
(2) pregnant, and
(3) newborns whose mother had chickenpox 5 days before up to 2 days after delivery
* VZIG 125 U/10 kg IM (max. 625 units) to be given within 96 hours after exposure
MC causative agent of erysipelas / St. Anthony’s Fire
Streptococcus
Management for Sporotrichosis:
Itraconazole; Amphotericin B for the severely ill
Empiric treatment for LGV Chlamydia trachomatis (Lymphogranuloma venereum)
Doxycycline 100 mg orally 2x a day for 21 days
Drug of choice for Syphilis
single dose of benzathine Penicillin G 2.4 million units IM
Drug of choice for W. bancrofti:
single dose Diethylcarbamazine (contraindicated in patients coinfected with onchocerciasis) regardless whether symptoms or microfilaremia are present; with the addition of Doxycycline 200 mg/day for 4-6 weeks for its macrofilaricidal activity
- Jaw area swelling
- Sinus tract formation
- Yellow exudate
- Carious teeth
- Dental procedure
- Yellow granules in exudates
Actinomyces
Subcutaneous swelling of shoulder Sinus Tract formations Granules
Nocardia
- Target lesion
- Bull’s eye
- Fever,
- headache
- Rash border
- Bite site
Borrelia burgdorferi (Lyme disease)
Erythema migrans is seen in
Borrelia burgdorferi (Lyme Disease)
* lesion that appears at the site of tick bite 7-14 days after; occurs most often on the head, neck, arms, legs, back
Pharyngoconjuctival fever in children is most commonly caused by:
Adenovirus
TREATMENT OF DIPHTHERIA
• Aqueous Penicillin G IM or IV 100,000-150,000 U/kg/day every 6 hours for 14 days
• Erythromycin: eradicates nasopharyngeal carriage 40-50 mg/kg/day orally or IV every 6 hours for 14 days
White papules with red base on posterior palate & pharynx
Herpangina