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Learning objectives

  • What is the use of stroke Classifications
  • Assessing stroke Classifications
  • Uses of stroke Classifications

ICD-10 classification of stroke

  • I 60 Sub-arachnoid haemorrhage
  • I 61 Intracerebral haemorrhage
  • I 62 Other non-traumatic intracranial haemorrhage
  • I 63 Cerebral infarction
  • I 64 Stroke, not specified as haemorrhage or infarction
  • I 65 Occlusion and stenosis of pre-cerebral arteries, not resulting in cerebral infarction
  • I 66 Occlusion and stenosis of cerebral arteries, not resulting in cerebral infarction
  • I 67 Other cerebrovascular diseases
  • I 68 Cerebrovascular disorders in diseases classified elsewhere
  • I 69 Sequelae of cerebrovascular disease

TOAST Classification

This is derived from a trial of ORG 10172 in acute stroke treatment (TOAST) classification denotes five sub types of ischaemic stroke.

  • large-artery atherosclerosis (embolus / thrombosis)*
  • cardioembolism (high-risk / medium-risk)*
  • Small-vessel occlusion (lacune)*
  • Stroke of other determined aetiology *
  • stroke of undetermined aetiology

It is thought to carry good inter observer agreement and predict prognosis, outcome, and management

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