raised ICP Flashcards
1
Q
normal ICP
A
7-17mmHg
2
Q
causes
A
idiopathic intracranial htn meningitis traumatic head injury tumour hydrocephalus
3
Q
features
A
headache vomit reduced consiousness papilloedema cushing's triad -widening pulse pressure -bradycardia -irreg breathing
4
Q
cushing’s triad
A
widening pulse pressure
bradycardia
irregular breathing
5
Q
Ix
A
neuroimaging
invasive ICP monitoring - catheter into lateral ventricles
6
Q
Mx
A
underlying cause head elevation IV mannitol controlled hyperventilation removal of CSF
7
Q
Mx - IV mannitol
A
can be used as an osmotic diuretic
8
Q
Mx - controlled hyperventilation
A
aim to reduce PCO2 –> vasocontriction of cerebral arteries –> reduced ICO
