COMPARISON OF MAJOR TYPES OF STROKE
Type of stroke Causes Symptoms
Ischemic Large artery thrombosisSmall penetrating artery
thrombosis Cardiogenic embolicCryptogenic (no known
cause)OtherNumbness or weakness of the face, arm, or leg,
especially on one side of the body Usually plateaus at 6 months
HemorrhagicIntracerebral hemorrhage Subarachnoid hemorrhage
Cerebral aneurysm Arteriovenous malformation
Exploding headacheDecreased level of consciousnessSlower,
usually plateaus at about 18 months
COMPARISON OF LEFT AND RIGHT HEMISPHERIC STROKES
Left Hemispheric StrokeRight Hemispheric Stroke
Paralysis or weakness on right side of body Right visual field
deficit Aphasia (expressive, receptive, or global) Altered
intellectual ability Slow, cautious behavior
Paralysis or weakness on left side of body Left visual field
deficit
Spatial-perceptual deficits
Increased distractibility
Impulsive behavior and poor judgment Lack of awareness of
deficits
