Stroke Flashcards
What is a stroke?
Rapid decline in cerebral function due to inadequate blood supply
What is the difference between a TIA and stroke?
TIA is a short episode (less than 24hrs) that does not result in loss of cerebral function or unconsciousness
What are the 2 main types of stroke?
Haemorrhagic
Ischaemic (infarct)
What is usually the cause of haemorrhagic stroke?
Structural abnormality due to hypertension
What is usually the cause of ischaemic stroke?
Atherothrombosis
List the main functions of the frontal lobe of the brain
Personality
Emotional response
Social behaviour
List the main functions of the dominant side of the parietal lobe of the brain
Calculation
Language
Planned movement
Appreciating size, weight and texture
List the main functions of the non-dominant side of the parietal lobe of the brain
Spatial awareness
Constructional skills
List the main functions of the occipital lobe of the brain
Vision analysis
List the main functions of the dominant side of the temporal lobe of the brain
Auditory perception
Speech and language
Verbal memory
Smell
List the main functions of the non-dominant side of the temporal lobe of the brain
Music and tone sequences
Non-verbal memory
Which imaging is used to find the presence of a cerebral infarct or haemorrhage?
CT scan
MRI
List supportive imaging that can help investigate aetiology of a stroke
Carotid scan
Angiogram
ECG
Echocardiograph
What is the mainstay of treatment for stroke?
Thrombolysis (alteplase)