3.19.14 SDL9 Trauma lab Flashcards
Unconscious falls typically affect frontal or occipital lobe?
Frontal lobe (fall forward)
Conscious falls typically affect frontal or occipital lobe?
Occipital lobe (falling off a ladder)
What are the long-term effects of repeated concussions (football players)?
Cronic traumatic encephalopathy (CTE)
What are the immunohistochemical findings of concussions?
Beta-amyloid precursor protein (Beta-APP)
Where are contusions most likely to occur?
Areas in close contact with irregular bones:
Basal aspects of frontal lobes
Temporal poles
Anterior brain stem
Anosmia is a consequence of…
Basal frontal lobe contusions
What is the rough shape of an infarct on gross cross section?
Triangular
What is a contrecoup injury?
Injury on the side of the brain opposite to impact
Diffuse axonal injury and petechial hemorrhages are typical of what type of trauma?
Shaking or angular acceleration
Pulls and tears at the parenchyma and capillaries
Epidural hematomas are most commonly found in association with what vessels?
Middle meningeal artery
Subdural hematomas are most commonly found in association with what vessels?
Bridging veins
Epidural hematomas are characterized by a loss of consciousness followed by a period of asymptomatic consciousness known as the…
Lucid interval
Subdural hematomas are most common in what types of patients?
Elderly or anybody with atrophy (alcoholics, neurodegenerative diseases).