Infectious Diseases

Question 1

What sort of infection can occur in HIV patients leading to visual problems and blindness?

Answer 1

Herpes infection can lead to retinitis

Question 2

Treatment regimen for TB - what are the side effects?

Answer 2

Rifampicin, pyrazinamine, isoniazid - liver failure

Ethambutol - toxic optic neuropathy

Question 3

Which disease is being described?

Early: headache, slow rising fever, bradycardia
Later: Hepatosplenomegally + green pea soup diarrhoea
Complications: intestinal haemmorhage and neurological deficits

Answer 3

Typhoid

Question 4

What should happen with a pregnancy if the mother is HIV +ve?

Answer 4

Caesarian not required but avoid breastfeeding

Question 5

How do you treat otitis externa?

Answer 5

Gentamicin and hydrocortisone drops

2nd/3rd line: microsuturing

Question 6

What complication of HIV infection can lead to retinitis and blindness?

Answer 6

Herpes virus infection

Question 7

When can HIV test commonly provide a false -ve?

Answer 7

If done before 3 month post-exposure, insufficient time for seroconversion therefore -ve test result

Question 8

Serious side effect of ethambutol?

Answer 8

Decrease visual acuity and decrease colour vision via OPTIC NEURITIS

Question 9

Treatment of malaria?

Answer 9

Atovaquone and proguanil

Quinine and doxycycline