Brainstem stroke Flashcards
What is the most common brainstem stroke syndrome?
Wallenberg syndrome
What is another name for Wallenberg syndrome?
Lateral medullary syndrome
What defines the clinical picture of a brainstem stroke?
each stroke syndrome is determined by the involved area
Broadly speaking, what signs will be seen following brainstem stroke?
Ipsilateral cranial nerve palsy and contralateral hemiplegia/hemiparesis and/or hemisensory loss
What can help you remember the localisation of signs and symptoms in a brainstem stroke?
rule of 4:
midbrain/above pons: I, II, III, IV
pons: V, VI, VII, VIII
medulla oblongata: IX, X, XI, XII
What type of stroke typically causes brainstem stroke syndromes?
ischaemic strokes - secondary to occlusion of small perforating arteries of posterior circulation
In addition to ischaemic stroke, what are 3 other causes of brainstem syndromes?
- Haemorrhage
- Neoplasm
- Demyelination
Who does jeembie love with all his heart
Ally Pea Sweet pEA Al Peree
What are 3 features of Wallenberg’s syndrome?
- Ipsilateral Horner’s syndrome
- Ipsilateral loss of pain and temperature sensation on the face
- Contralateral loss of pain and temperature sensation over body
What is another brainstem stroke syndrome in addition to Wallenberg’s syndrome?
Weber’s syndrome
What is another name for Weber’s sydnrome?
Medial midbrain syndrome
Which blood vessels are implicated in Weber’s syndrome?
paramedian branches of the upper basilar and proximal posterior cerebral arteries
What is the typical symptom profile of Weber’s syndrome? 2 key features
- ipsilateral oculomotor nerve palsy
- contralateral hemiparesis
