HIV

Question 1

Standard for diagnosing and screening for HIV

Answer 1

HIV p24 antigen AND
HIV antibodies

Question 2

2 monitoring tests used for HIV

Answer 2

• CD4 count
• HIV viral load

Question 3

Management of HIV

Answer 3

Highly active anti retroviral therapy

Question 4

when is co-trimoxazole used prophylactically in HIV

Answer 4

• CD4 <200
• Used to protect against PCP (pneumocystitis jirovecci pneumonia)

Question 5

What is the most common infective cause of diarrhoea in HIV pts

Answer 5

Cryptosporidium

Question 6

Purple papules or plaques on the skin or mucosa (GI or resp tract) in a pt with HIV

Answer 6

Kaposi’s sarcoma

Question 7

Cause of kaposi’s sarcoma

Answer 7

HHV-8

Question 8

Multiple ring enhancing lesions on CT in a pt with HIV

Answer 8

Cerebral toxoplasmosis

Question 9

Management of cerebral toxoplasmosis

Answer 9

Sulfadiazine and pyrimethamine

Question 10

Single solid (homogenous) enhancing lesion seen on CT in a pt with HIV

Answer 10

Primary CNS lymphoma

Question 11

CT finding in encaphalitis in HIV

Answer 11

Oedematous brain

Question 12

Most common cause of meningitis in HIV

Answer 12

fungal - Cryptococcus

Question 13

Most common cause of oesophagitis in pts with HIV

Answer 13

Oesophageal candidiasis

Question 14

Neurocomplication of HIV, causing subacute onset of behavioural changes, speech, motor and visual impairment

Answer 14

Progressive multifocal leukoencephalopathy (PML) cause by JC virus

Question 15

Behavioural changes and motor impairment + cortical and subcortical atrophy

Answer 15

AIDs dementia complex

Question 16

Common complication of pneumocystitis jirovecci

Answer 16

Pneumothorax

Question 17

CXR in pt with pneumocystitis jirovecc

Answer 17

Bilateral pulmonary infiltrates

Question 18

Common clinical finding in pneumocystitis jirovecci

Answer 18

Exercise induced desaturation

Question 19

Management of pneumocystitis jirovecci

Answer 19

Co-trimoxazole