Neurological Flashcards
Normal ICP
0-15 mmHg
Cushing’s triad
Bradycardia, abnormal respirations, increased systolic pressure (widened pulse pressure)
Oval shaped pupils indicate…
Dysfuction or pressure on occulomotor nerve III
Doll’s test (oculocephalic reflex)
Move the patients head quickly to one side - eyes will deviate away from the direction that the head is rotated
Water caloric test (oculovestibular reflex)
Ice water injected into ear - both eyes move in the direction of the side water is instilled
Diffuse axonal injury manifestations
Posturing, HTN, hyperthermia, sweating, loss of brain stem reflexes
Epidural bleed location
Between skull and dura mater from the middle meningeal artery
Epidural bleed manifestations
Period of unconsciousness followed by lucid period then again unconscious, hemiparesis, dilated pupil on same side of injury
Subdural bleed location
between dura mater and subarachnoid from the small bridging veins
Subdural bleed manifestations
Slow onset, aloc, hemiparesis, fixed dilated pupilar, nausea
Subarachnoid bleed manifestations
“Worst headache of my life” nausea, vomiting, photophobia, seizure
Basilar skull fracture manifestations
Ecchymosis behind ear (battle sign), altered eye movement, facial palsy, hemorrhage in periorbital spaces (raccoon eyes)
Anosmia
inability to perceive smells
Posterior cord transmists…
Light touch, proprioception, vibration
Anterior cord transmits…
Motor function