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Brain Abscess Clinical Management
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Brain Abscess Clinical Management
Brain Abscess Clinical Management
Study
1
Question
What is a brain abscess?
Answer
Collection of infectious material within the tissue of the brain.
2
Question
What are common causes of direct invasion leading to brain abscess?
Answer
Extracranial trauma, ears, paranasal sinuses, otitis media, dental sepsis.
3
Question
What are examples of spread by sepsis causing brain abscess from other organs?
Answer
Lung abscess, endocarditis.
4
Question
What primarily causes clinical manifestations of brain abscess?
Answer
Alterations in intracranial dynamics.
5
Question
What is a common headache feature in brain abscess?
Answer
Usually worse in the morning.
6
Question
Name three neurological signs of brain abscess.
Answer
Weakness, vomiting, decreasing vision.
7
Question
What mental status changes occur in brain abscess?
Answer
Lethargic, confused, irritable, disoriented behavior.
8
Question
Is fever always present in brain abscess?
Answer
Fever may or may not be present.
9
Question
How do clinical manifestations of brain abscess depend on location?
Answer
Symptoms vary by affected brain lobe or area.
10
Question
What symptoms indicate frontal lobe brain abscess?
Answer
Hemiparesis, expressive aphasia, seizures.
11
Question
What symptom points to occipital lobe brain abscess?
Answer
Changes in vision.
12
Question
What headache pattern suggests temporal lobe brain abscess?
Answer
Localized headache.
13
Question
What eye movement disorder indicates cerebellar brain abscess?
Answer
Nystagmus (rhythmic involuntary movements of the eye).
14
Question
Why is MRI preferred for diagnosing brain abscess in certain areas?
Answer
Useful for brain stem and posterior fossa images.
15
Question
What is the mainstay medical management for brain abscess?
Answer
Antimicrobial therapy with surgical incision or aspiration.
16
Question
How is an encapsulated brain abscess surgically managed?
Answer
CT-guided stereotactic needle aspiration under local anesthesia.
17
Question
What is the purpose of antimicrobial therapy in brain abscess?
Answer
To eliminate the causative organism.
18
Question
What are typical antimicrobial doses for brain abscess?
Answer
Penicillin G 20 million U and chloramphenicol 4-6 g/day IV in divided doses.
19
Question
How long is antimicrobial therapy continued in brain abscess?
Answer
Parentally until abscess crosses blood-brain barrier? Wait, continued parenterally.
20
Question
When are corticosteroids used in brain abscess?
Answer
If patient shows evidence of increasing intracranial edema.
21
Question
What antiseizure medications prevent seizures in brain abscess?
Answer
Phenytoin, phenobarbital.
22
Question
How are multiple brain abscesses treated differently?
Answer
Appropriate antimicrobial therapy with close monitoring by CT scans.
23
Question
How does treatment differ for single versus multiple brain abscesses?
Answer
Single: antimicrobials plus surgery. Multiple: antimicrobials plus CT monitoring.
24
Question
What is the focus of nursing care for brain abscess?
Answer
Ongoing assessment of neurologic status.
25
Question
What nursing actions support brain abscess treatment?
Answer
Administer medications, assess response to treatment, provide supportive care.
26
Question
What does ongoing neuro assessment signal in brain abscess nursing?
Answer
Need for more aggressive intervention.
27
Question
What labs need close monitoring on corticosteroids for brain abscess?
Answer
Blood glucose and serum potassium levels.
28
Question
What injuries risk in brain abscess patients?
Answer
From decreased level of consciousness and falls related to muscle weakness or seizures.
29
Question
Why might fever be absent despite brain abscess?
Answer
Fever may or may not be present due to encapsulation.
30
Question
Compare frontal and cerebellar brain abscess symptoms.
Answer
Frontal: hemiparesis, aphasia, seizures. Cerebellar: nystagmus.