Acute aortic dissection

Acute aortic dissection is a dramatic situation in which the intima wall of the aorta suffers a tear and blood leeks through the other layers, creating a hematoma that can […]

Intracerebral hemorrhage

Hemorrhagic strokes comprise 10-20% of all strokes. About half of the hemorrhagic strokes manifests as subarachnoid hemorrhages, and the other half manifests as intracerebral hemorrhage. The incidence is ~15/100.000 cases-year. […]

Subarachnoid hemorrhage

Subarachnoid hemorrhage (SAH) is characterized by bleeding into the subarachnoid space (between the pia and arachnoid mater). Half of the hemorrhagic strokes are subarachnoid hemorrhages, and its overall incidence is […]

Subdural hematoma

Subdural hematoma is a blood collection between the dura mater and the arachnoid that may be present in ~10% of head traumas. It is visible as a crescent-shaped lesion on […]