Infectious Diseases Flashcards
Treponema pallidum haemagglutination assay positive in a patient with a painless hard penile ulcer
Primary syphilis
Are symptoms of fevers, night sweats and weight loss more indicative of primary TB or post-primary TB?
Post-primary TB
What drug is used to treat falciparum malaria?
Quinine
Pseudomembranous colitis caused by C. diff colonisation is treated with…
Metronidazole
Common cause of outbreaks of childhood diarrhoea
Rotavirus
Normal presentation is a prodromal phase of tingling or pain, followed by an eruption of a painful, blistering rash in a dermatomal distribution
Shingles
Shingles, caused by a reactivation of VZV, can be treated early on with…
Acyclovir
(oral; or IV in immunocompromised patients)
Painful vesicular rash over penis and testicles
What is the condition, and what can it be treated with?
Genital herpes
Acyclovir
Purulent urethral discharge and dysuria
Gonorrhoea
Used to treat primary syphilis
Procaine penicillin
(doxycycline or tetracycline can be used if penicillin is not tolerated)
Most common type of viral hepatitis in the world
Hepatitis A
Route of transmission for Hepatitis B and C
Intravenous / sexually transmitted
Treatment of hepatitis A
Conservative management
Pegylated interferon alpha plus ribavirin is a treatment for which hepatitis?
Hepatitis C
Infectious mononucleosis is caused by which virus?
EBV
Appropriate immediate management of patient presenting with bacterial meningitis
1.2g of IM benzylpenicillin
Painful facial swelling, fever, lethargy, parotid swelling
Mumps
Non-blanching, petechial rash in meningitis patient indicated it is caused by…
Neisseria meningitidis
Patient travelling in South America for 3 months
Presents with lesion on forearm, showing an erythematous ulcer with a raised edge
Leishmaniasis
Patient with history of fever, headache, malaise and dry cough
Patchy maculopapular rash (rose spots) and leukopenia
Typhoid / enteric fever
Drug used in MRSA
Vancomycin
Most common organism causing endocarditis
Streptococcus viridans
Common cause of infective endocarditis in IV drug users and patients with prosthetic valves
Staphlococcus aureus
Papular rash in the web spaces of fingers and toes, palms of hands, soles of feet, in the axilla and genitalia
Scabies
Most common cause of septic arthritis in young fit adults
Gonococcal arthritis (e.g. neiserriae gonnorrheae)
Most common cause of septic arthritis in older patients
Staphylococcus aureus
Organism causing dysphagia and retrosternal discomfort in an HIV patient
Candida albicans
Organism associated with Kaposi’s sarcoma
Human herpes virus type 8 (HHV-8)
HIV patient with encephalitis
Multiple ring enhancing lesions on CT
Toxoplasmosis
What can a Paul Bunnell test diagnose?
Infectious mononucleosis (due to EBV infection)
