stroke

Question 1

define stroke

Answer 1

acute neurological deficit lasting more than 24 hours and caused by cerebrovascular aetiology due to disruption of blood supply

Question 2

what is ischaemic stroke caused by

Answer 2

vascular occlusion or stenosis

Question 3

what is haemorrhagic stroke caused by

Answer 3

vascular rupture, resulting in intra-parenchymal or subarachnoid haemorrhage.

Question 4

which BP value has the biggest association with stroke risk

Answer 4

systolic

Question 5

Haemorrhagic Stroke aetiology

Answer 5

long standing hypertension causes cerebrovascular changes

Question 6

Haemorrhagic Stroke presentation

Answer 6

aphasia, ataxia, dysarthria, headache, weakness and sensory loss

Question 7

how does one differentiate between ischemic and haemorrhagic stroke

Answer 7

brain imaging

Question 8

what are the 2 imaging options

Answer 8

MRI with DWI

and MRI with GRE

Question 9

what may MRI with DWI be combined with

Answer 9

CT angiography

Question 10

what does MRI with GRE look for

Answer 10

old haemosiderin deposits

Question 11

what is haemosiderin deposits

Answer 11

red cell breakdown and leakage visible on the skin. Can be due to chronic venous insufficiency.

Question 12

what is haemosiderin

Answer 12

iron storage complex

Question 13

what is an atheroembolism

Answer 13

infarcts in the same side as affected carotid artery

one arterial territory

Question 14

what is a cardioembolism

Answer 14

infarcts in more than one arterial territory, bilateral

Question 15

TIA

Answer 15

focal neurological symptoms that resolve within 24 hours