Infectious disease Flashcards
What are the commonest viral respiratory infections?
What is the definition of PUO?
What are the main causes of PUO?
What are the miscellaneous causes of PUO?
Which drugs can cause fever and why?
What specific parts of history do you want for someone with PUO?
What investigations would you do for someone with PUO?
Specific examination in patients in PUO?
Why is pro-calcitonin useful?
Can differentiate between infection and inflammation.
High = infection
Definition of cellulitis?
signs and sx of cellulitus?
Differentials for cellulitis?
Risk factors for cellulitis?
Most common organisms for cellulitis?
Management of cellulitis?
Complications of cellulitis?
Prevalence of HIV in higher in who?
What vertical transmission do you get in HIV?
What common co-infections do you get with HIV?
Which infection can cause Kaposi sarcoma?
HHV8 - Human herpes virus 8
What are the stages of HIV infection?
Does lower CD4 count in HIV cause lower or higher risk of infection?
Higher
Timeline of HIV?
What is primary HIV infection?
What is acute seroconversion illness?
What would CD4 count be for late diagnosis HIV?
Does late diagnosis of HIV increase mortality?
Very late diagnosis of HIV is what CD4 level?
Clinical presentation of HIV?
Why would you do fundoscopy for suspected HIV?
HIV is associated with:
Retinal or conjunctival microvasculopathy
Cytomegalovirus retinitis
Progressive outer retinal necrosis
What are the three methods of testing HIV?
Which antigen is tested for in HIV?
p24 antigen
What is the window period for HIV using a 4th gen assay?
What is the window period for HIV using a 3rd gen assay?
When can 4th gen test detect p24 antigen for HIV?
Which investigations do you do in HIV?
Why is blood glucose testing in HIV?
Some HIV medications can increase blood glucose levels so may need to avoid
Which test in HIV predicts future disease progression?
What are the haematological complications of HV?
What type of anaemia do you get in HIV?
Normochromic
Normocytic
When do you offer urgent treatment in HIV?
What do antiretrovirals do?
Undetectable viral load means what in HIV?
HIV cannot be transmitted
“Treatment as Prevention”
Are HIV associated infections based on CD4 count?
Yes
What is pneumocystis pneumonia?
At which CD4 count are you at higher risk of PCP?
<200
How is PCP diagnosed?
How is PCP treated?
What do you see on imaging with PCP?
What other respiratory condition presents like PCP?
Covid pneumonitis
What is CNS Toxoplasmosis?
What is the most common cause of intracerebral mass lesions in people with HIV?
CNS Toxoplasmosis
Which organism causes toxoplasmosis?
Toxoplasma gondii
Symptoms of CNS toxoplasmosis?
What would you see on imaging in CNS Toxoplasmosis?
Where do you see the lesions in toxoplasmosis?
What do you see on imaging with CNS lymphoma?
In what respiratory diseases should you test for HIV?
In what neurological diseases should you test for HIV?
In what dermatological diseases should you test for HIV?
In what gastrointestinal diseases should you test for HIV?
In which oncological diseases should you test for HIV?
