Types of intracranial hemorrhages Flashcards Preview

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Flashcards in Types of intracranial hemorrhages Deck (11)

Epidural hematoma

Most commonly middle meningeal artery (branch of maxillary artery)

Can lead to CN III palsy (Eye down and out)

Look for a lens shaped collection of blood


What is the middle meningeal artery a branch of?

Branch of the maxillary artery


Subdural hematoma

Rupture of bridging veins leading to slow venous bleeding.

Seen commonly in elderly and alcoholics or shaken babies.

WILL BE CRESCENT SHAPED crossing suture lines eading to a midline shift.


Crescent shaped blood lesion in skull

Subdural hematoma
Midline shift will be present.


Lens shaped blood lesion in the skull

Epidural hematoma.


What is the most common cause of a subarachnoid hemorrhage?

Rupture of an aneurysm.
Patient will complain with worst headache of my life.
Bloody or yellow spinal tap.


What structure is most vulnerable in ischemic brain diseases

Ischemic hypoxia places the HIPPOCAMPUS AT GREATEST RISK


Treatment for an ischemic stroke

tPA if within 3-4.5 hours.
reduce risk with aspirin or clopidogrel.


Where are venous sinuses found in the skull?

In the meninges.


What veins drain into the dural venous sinuses?

Superior sagittal sinus
Inferior sagittal sinus via the Straight sinus
Transverse sinus.


What drains into the sigmoid sinus?

The transverse cinus.

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