10-point scoring system assessing extent of early ischaemic changes on computed tomography or magnetic resonance imaging
Expansion
Alberta Stroke Programme Early CT Score
Purpose
Predicts outcome; Alberta Stroke Programme Early CT Score greater than 6 indicates thrombectomy candidate; scores less than 6 have higher mortality
Clinical Context
Alberta Stroke Programme Early CT Score scores middle cerebral artery territory (10 regions). 1 point deducted per region with ischaemic change. Greater than 6 equals thrombectomy candidate; less than 6 equals extensive infarction, poorer prognosis.
Related Terms
- Stroke imaging
- Thrombectomy
Key Points
- Alberta Stroke Programme Early CT Score shows 10 equals normal, 0 equals extensive infarction; each region minus 1 if hypodense. Greater than 6 equals better prognosis, thrombectomy likely beneficial