stroke - hematomas Flashcards
hematomas
epidural hematoma
subdural hematoma
epidural hematoma
blood accumulates b/w the dura mater and skull
leading to cerebral compression
epidural hematoma includes tearing of which artery
tearing of the middle meningeal artery
secondary to skull fracture of temporoparietal region
clinical manifestations epidural hematoma
loss of consciousness followed by a temporary lucid interval
(temporary improvement in condition, deteriorates quickly after)
other clinical manifestations epidural hematoma
headache
increased ICP
bradycardia
bradypnea
hypertension
altered mental status
focal neurological deficits
other other clinical manifestations epidural hematoma
coma
fixed and dilated pupils
decerebration (separates brain from spinal cord d/t compression)
treatment epidural hematoma
keep systolic BP >90mmHg to ensure perfusion
intubate
elevate head 30 degrees
administer mannitol (prevent seizure)
subdural hematoma is more common
in older adults, >60
they have more cerebral atrophy
less resilient bridging veins
interhemispheric subdural hematoma are associated w/
child abuse
subdural hematoma d/t
rupture of bridging veins located b/w cerebrum and venous sinuses of dura secondary to trauma
pathogenesis subdural hematoma
blood accumulates b/w arachnoid and dura mater
bleeding is self-limited but can grow secondary to osmotic movement of water
resolution subdural hematoma
granulation tissue
acute subdural hematoma
2-3 days after injury (MVA, falls)
rapidly clots
high mortality
can lead to chronic
chronic subdural hematoma
2-3 weeks after injury (minor head trauma)
common in elderly with no history of trauma