MENINGITIS Flashcards
An inflammation of the fluid and membranes (meninges) surrounding the brain and spinal cord.
Meningitis
Inflammatory response to infection causes increase or decrease ICP?
increase ICP
Causative Agents of Meningitis?
tip: SP, HI, NM
Streptococcus Pneumoniae
Hemophilus Influenzae
Neisseria Meningitidis
Causative Agents of Meningitis?
SP, HI, NM
Causative Agents of Meningitis?
Streptococcus Pneumoniae
Hemophilus Influenzae
Neisseria Meningitidis
Meningitis 2 Modes of Transmission:
Droplet
Direct Contact
Incubation Period:
2-10 days
Average incubation period:
Average: 6-7 days
Diagnostic test to collect CSF
Lumbar Tap
Definitive diagnostics of meningitis:
Lumbar Tap
Lumbar Tap Position:
Fetal position
Test done before aspirating CSF
Queckenstedt’s Test
Test for arachnoid obstruction
Queckenstedt’s Test
MENINGISTIS PATHOGNOMONIC Signs and Symptoms:
- Nuchal Rigidity: Pain upon flexion of the neck
- Kernig’s Sign: Pain upon straightening of the leg
- Brudzinski’s Sign: Flexion of the knee upon flexion of the neck
- Opisthotonos: Severe arching of the back
- Decortication
- Decerebration
MENINGISTIS PATHOGNOMONIC Signs and Symptoms: Pain upon flexion of the neck
- Nuchal Rigidity
MENINGISTIS PATHOGNOMONIC Signs and Symptoms: Pain upon straightening of the leg
- Kernig’s Sign
MENINGISTIS PATHOGNOMONIC Signs and Symptoms: Flexion of the knee upon flexion of the neck
- Brudzinski’s Sign
MENINGISTIS PATHOGNOMONIC Signs and Symptoms: Severe arching of the back
- Opisthotonos
5th and 6th MENINGISTIS PATHOGNOMONIC Signs and Symptoms?
tip: D, D
- Decortication
- Decerebration
Signs and Symptoms of ↑ ICP: Cushing’s Triad.
Name its 3 characteristics.
Hypertension. Bradycardia. Bradypnea.
HYPER-BRADY-BRADY
Signs and Symptoms of ↑ ICP: ___ characterized by a difference in pupil sizes
Anisocoria
Cranial nerve effected on Anisocoria
CN3
Signs and Symptoms of ↑ ICP: ___ characterized by a double vision
Diplopia
Cranial nerve effected on Diplopia
CN6 (Abducens)
Deconjugate movement of the eye
Doll’s Eye Sign
5 other Signs and Symptoms of ↑ ICP:
High temperature
N/V
Photophobia
Seizures
Wide Pulse Pressure
Increase ICP management. Position: Semi Fowler’s rationale
Semi Fowler’s to:
Promote lung expansion
Drain excess CSF
Increase ICP management. HOB Elevation:
HOB Elevation: 30-45˚
NOT 90˚ -it can cause Brain Herniation
Increase ICP management.
Safety
Limit fluid intake: ___ CSF
to decrease CSF
Increase ICP management. Rest:
Physical activity would be a stimulus for possible seizure
Name factors to avoid that ↑ ICP:
Bending,
Stooping,
Valsalva maneuver,
Cough,
Sneezing
4 Meningitis Pharmacologic Management
O-C-A-A
- Osmotic Diuretics
- Corticosteroids
- Anticonvulsants
- Antacids
DOC
Mannitol
Mannitol acts to ↓ cerebral edema. WOF?
Hypotension and dizziness
DOC of Corticosteroids:
Dexamethasone/ Decadron
these drugs could cross BBB
Anticonvulsants: DOC
Dilantin/Phenytoin
Phenytoin, if given PO, administer with meals because?
Causes GI upset
Phenytoin if given per IV, prepare 10ml NSS, why?
Crystalizes in veins
Method to administer 5ml NSS, phenytoin, 5ml NSS.
Sandwich Method
SIDE EFFECTS: Anticonvulsants: Dilantin/Phenytoin
Causes GI upset
Nystagmus (uncontrolled eye movement)
Red urine
Overgrowth of gum tissues
Gingival Hyperplasia
Gingival Hyperplasia Nursing Intervention:
Soft bristle toothbrush
Meningitis Pharmacologic Management -Antacids: H2 Receptor Blockers to?
prevent GI upset (please validate this info)
Phenytoin Therapy Side Effects
Gastric Ulcers
Red Urine
Ataxia
Nystagmus
Bone Marrow Depression: Cause aplastic anemia
Meningitis Collaborative Management:
Bedrest: _____ and ________
Bedrest: Dark room and cool over eyes
Meningitis Collaborative Management: PenG
Antibiotics IV: Codeine (Opioids) – causes respiratory depression, dizziness, constipation
Meningitis Collaborative Management:DOC for severe headache
Glucocorticoids: Dexamethasone
Meningitis Collaborative Management: DOC for temperature above ↑ 38˚C;
Paracetamol
Meningitis Collaborative Management: DOC to relieve cerebral edema:
Mannitol
Meningitis Collaborative Management:
-Assess BP
-DOC to prevent seizures?
Phenytoin/Dilantin