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Medicine (MD/DO)
Intracranial Hemorrhage
Epidural Hematoma

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Epidural Hematoma

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Epidural Hematoma

E-pick-durex Blood-tomato
An epidural hematoma is a life-threatening condition that is due to head trauma resulting in accumulation of blood in the potential space between the dura and periosteum, stemming from middle meningeal artery rupture. Complications include death and neurological impairment from transtentorial herniation.
Middle Meningeal Artery Rupture
Middle Men-in-jewels with Archery-artery Ruptured

This is a dural artery that is susceptible to injury.

Temporal Bone Fracture
Temple of Bone Fractured

The dural artery is particularly susceptible to injury in cases of temporal bone fracture. This is because the fracture lines cross the dural artery during its course.

Hematoma Between Skull And Dura Mater
Blood-tomato between Skull and Durex-latex

Typically the dura is tight to the skull; however, under arterial pressure a hematoma can develop.

Transtentorial Herniation
Train-tent with Herniation of brain

Epidural hematoma can lead to transtentorial herniation which can result in compression of Cranial Nerve III. This manifests as a fixed dilated pupil and inability to accommodate the lens.

Lucid Interval
Lucy Interval

Slow accumulation of blood can lead to delayed onset of neurological signs. Patients may feel fine initially after injury, and have a "lucid interval" before serious complications.

Lens-shaped on CT
Lens Shape

Epidural hematoma appears lens-shaped on CT versus subdural hematoma, which is crescentic in shape.

Does Not Cross Suture Lines
Unable to cross Suture

The bleed does not cross suture lines due to superior attachment of the dura to the periosteum at the sutures.


Early surgical intervention via craniotomy or burr hole to relieve pressure has been demonstrated to improve mortality.


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