Brain Abscess Flashcards
What are the possible causes of a brain abscess?
Extension of sepsis from middle ear or sinuses
Trauma or surgery to the scalp
Penetrating head injuries
Embolic events from endocarditis
Sepsis from which part of the body can result in a brain abscess?
Extension of sepsis from middle ear or sinuses
What problems in the heart can result in a brain abscess?
Embolic events from endocarditis
What are the symptoms of a brain abscess dependent on?
The site of the brain abscess
What does a brain abscess common result in?
Raised intracranial pressure
What are the main three symptoms that suggest a brain abscess?
Headache
Fever
Focal neurology
How is the headache associated with a brain abscess described?
Dull and persistent
What is the focal neurology associated with brain abscesses secondary to?
Raised intracranial pressure
What nerves can be affected secondary to raised intracranial pressure in someone presenting with a brain abscess?
Oculomotor nerve palsy or abducens nerve palsy
What other presenting features may there be in someone with a brain abscess due to raised intracranial pressure?
Nausea
Papilloedema
Seizures
How is a brain abscess diagnosed?
CT scan
What is the surgical management of a brain abscess?
Craniotomy (abscess cavity debrided)
What is the management of a brain abscess?
Surgery
IV antibiotics
Intracranial pressure management
What is the medical management of a brain abscess?
IV 3rd-generation cephalosporin + metronidazole
What medication is used for the intracranial pressure management of a brain abscess?
Dexamethasone
