Pathophysiology of stroke

Question 1

Definition of Stroke & Key characteristics:

Answer 1

• Rapidly developing symptoms
  -Clinical signs of focal (or global) disturbance of cerebral function
  -Symptoms lasting 24h or longer/ or leading to death
• No apparent cause other than vascular origin

Question 2

Stroke subtypes

Answer 2

1. Primary Hemorrhage
2. Ischemic Stroke: Atheroscierotic Cerebrovascular disease (hypoperfusion, arteriogenetic emboli), Penetrating Artery Disease , Cardigenic Embolism, Cryptogenic stroke, Other/unusual cause

Question 3

What is a Lacunar Stroke

Answer 3

pure motor stroke, pure sensory stroke, ataxic hemiparesis, clumsy hand dysarthria