brainstem hemorrhage

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Related to brainstem hemorrhage: pontine hemorrhage

brain·stem hem·or·rhage

hemorrhage into the pons or mesencephalon, often secondary to brainstem distortion by transtentorial herniations due to rapidly expanding intracranial lesions.


the stemlike portion of the brain connecting the cerebral hemispheres with the spinal cord, and comprising the pons, medulla oblongata and midbrain; considered by some to include the diencephalon. See also reticular activating system, ascending reticular formation, thalamus.

brainstem auditory evoked response
see brainstem auditory evoked response.
brainstem hemorrhage
results from cranial trauma and characteristically causes unconsciousness with varying types and degrees of motor paralysis and irregularities of respiration, depending on the site.
brainstem reticular formation
see reticular activating system.
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