Infectious Diseases Flashcards
Patients with infectious mononucleosis should avoid what?
Ampicillin
Causes maculopapular rash
Compare the ulcers of syphilis and HSV-2
Painless chancre - painless lymphadenopathy
Herpes - shallow, painful ulcers - tender lymphadenopathy
Cellulitus + systemic fevers
?bacteraemia
?osteomyelitis or septic joint
Daytime mosquito bites more commonly cause what?
Dengue fever
Crescent shadow on AXR of immunocompromised
Aspergilloma
Cheese and ketchup on fundoscopy shows what?
CMV retinitis (ischaemic areas and haemorrhages)
What are the 3 stages of Lyme disease?
Rash, fever, malaise, myalgia
Neurological (meningitis, cranial nerve palsies, amnesa) and cardiac complications (myocarditis, conduction abnormalities)
Arthritis and ataxia
What causes glandular fever?
EBV
How is gonorrhea transmitted?
Sexually
Vertically (birth)
Presentation of gonorrhoea
M: purulent discharge, urethritis - 2/7 after exposure
F: usually asymptomatic, or as above
may also cause proctitis, pharyngitis
systemically unwell
Cx gonorrhoea
M: prostatitis, epididymo-orchitis
F: PID, bartholinitis
can have haematogenous spread and all sorts
neonate: conjunctival gonorrhea
Ix gonorrhoea
M & C urethral, vaginal discharge
if joint - aspirate will show gonococcus
Mx gonorrhoea
Recommended treatment for confirmed, uncomplicated gonococcal anogenital infection in adults is ceftriaxone 500 mg IM stat plus azithromycin 1 g orally stat.
What is Fitz-Hugh-Curtis
perihepatitis caused by gonorrheal spread to liver capsule, causing adhesions (F)
How is syphilis transmitted?
Sexually
Vertically (placenta)