PIII: Brain bleeds and Strokes

Subdural Hemorrhage

• Subdural bleeding

• spontaneous or trauma

• Appear on the surface of the brain, may include new or coagulated blood

Subdural Hemorrhage

Epidural Hemorrhage 

• Epidural bleeding

• trauma with Fx

• Appears as crescent-shaped blood on surface of brain

Epidural Hemorrhage

Subarachnoid Hemorrhage

• Subarachnoid bleeding around the Circle of Willis 

• Caused by ruptured aneurysm

Subarachnoid Hem.

What is the pathology in this radiograph?

ruptured aneurysm

What are the arteries in this radiograph? (from top to bottom)

• Middle Cerebral Artery

• Internal Carotid Artery

• Basilar Artery

• Vertebral Artery

Intracranial Hem. 

• Hemorrhage stroke 

• ruptured vessels

• Can result in edema, mass effect, and limited blood supply

Intracranial Hem.

Traumatic Contusions

• Intracranial bleeding

• caused by trauma 

• can appear with other hemorrhage injuries 

• can cause neurologic deficits 

Traumatic contusions

Stroke

The loss of brain fxn. due to a disturbance in the blood flow to the brain.

Ischemic Stroke

• Limited blood flow

• Thrombosis

• Embolism

• Stenosis

Ischemic Stroke

Pontine Stroke 

Hemorrhagic Stroke

• Intracranial bleeding

• Ruptured vessel

• Can result in edema, mass effect, and limited blood supply

Hemorrhagic stroke