Flashcards in Microbiology Deck (50)
What is the common bacterial causes of conjunctivitis in adults?
What is the common bacterial causes of conjunctivitis in children?
What is different about bacterial conjunctivitis in neonates?
Must be referred to ophthalmology due to possibility of contraction during birth
Which two bacteria is particularly worrying in a neonatal conjunctivitis?
What are common symptoms of bacterial conjunctivitis?
Sticky discharge- often at night
What kind of swabs are taken for conjunctivitis?
What topical antibiotic is usually given?
What are the pros/cons of drops vs ointments?
Drops need to be kept in fridge
Drops difficult to keep sterile
Ointment harder to apply but gives soothing effect
When must chloramphenical be avoided?
If history of aplastic anaemia
What are the signs of aplastic anaemia, clinically?
If the eye gets worse on abx treatment in bacterial conjunctivitis what must be considered?
An allergy to chloramphenical
What are the symptoms of adenoviral conjunctivitis?
Starts with URTI
What is the treatment for adenoviral conjunctivitis?
But symptomatic treatment of antihistamine plus artificial tears
What is important to remember with pink eye (adenovirus conjunctivitis) ?
It is contagious.
Spread by share of eyeliners
Which other two viruses commonly cause conjunctivitis?
In a patient with conjunctivitis and also urethritis/vaginitis, what must be considered?
How is chlamydial conjunctivitis treated?
Topical and oral azithromycin
Further STI screening
What ethical dilemma might occur when testing for chlamydia?
Need to tell patient what you're testing for and ask for contact number
Contact tracing if positive
What sign is present in chlamydial conjunctivitis?
Wet rice grains in internal eyelid
What is keratitis?
Inflammation of cornea
What is a hypopyon?
Level of white blood cells seen in the iris
What bacteria are to blame for keratitis?
What is often seen in bacterial keratitis?
What is the first step in treatment of bacterial keratitis?
What does the treatment for bacterial keratitis consist of?
What condition presents with a dendritic ulcer?
What should never be given for herpetic keratitis?
Steroids can cause corneal melt
What does recurrent herpetic keratitis result in?
Reduced corneal sensation
What kind of viral keratitis can steroids be given for?