Neurosurgery wow end me Flashcards
Why does alcohol make you pee lots?
Inhibits ADH secretion
Contraindications to disulfiram
Ischaemic heart disease
Psychosis
How does acamprosate work?
Weak antagonist of NMDA receptors
GCS <15 after 2 hours, what do you need to do?
Need to CT scan
What do you need to do for patients who are on warfarin and have a head injury?
Need to CT scan within 8 hours
Cushing’s triad
Widening of pulse pressure
Respiratory changes
Bradycardia
When a patient has a GCS <8 what do you need to do?
Need neurosurgery review (sometimes this might even come before doing CT scan)
If you suspect someone has a subarachnoid haemorrhage, what are you checking for in the CSF?
Checking for breakdown products of RBC, such as bilirubin.
(RBCs may be present for other reasons e.g. traumatic tap so you also need to take 3 different samples in 3 different tubes)
A 28-year-old man is playing tennis when he suddenly collapses and has a GCS of 4 when examined.
Subarachnoid haemorrhage
What type of haemorrhage might you see in newborns?
Intraventricular haemorrhage
Swirl sign
Intracerebral haematoma
Indication for CT scan within 1 hour?
GCS <13 on presentation
SIADH may be a consequence of which type of haemorrhage?
May be a consequence of subarachnoid haemorrhage
Medication for subarachnoid haemorrhage and why do you give it?
Nimodipine - a calcium channel blocker
(reduced cerebral vasospasm and improves outcomes –> be reducing vasospasm, it increases the amount of oxygen that will reach tissues, because if it is constricted and narrow, not much oxygen will reach tissues)
