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Acute Brain Disorder (ØTraumatic Brain Injury(TBI) (Epidural hematomas,EDH…
Acute Brain Disorder
ØTraumatic Brain Injury(TBI)
Epidural hematomas,EDH
Subdural Hematoma,SDH
Intracranial Hematomas
Subarachnoid Hemorrhage ,SAH
Mechanisms of Brain Injury
primary injury
Head trauma
Brain tissue necrosis
Cessation of blood flow - Stroke
Cytotoxic edema
secondary injury
preventing secondary damage have remained elusive
mortality and morbidity ↑
progress over days or weeks
Ischemia and Hypoxia
Cellular Energy Failure
Central Nervous System Infection
Encephalitis
Brain Abscess
Meningitis
confusion, delirium),seizures
palsies, facial weakness
headache, fever, stiff neck
deafness, and vertigo
Structure and Function of the Nervous System
Neuronal Structure and Function
Neurons
Glial cells
Astrocytes
Microglia
Ependymal cells
Neuronal Communication
Neuronal Circuits
Neural Injury
Outlines
ØIncreased Intracranial Pressure
Abnormal Autoregulation
Increased Intracranial Pressure
Manifestations
As ICP rises to higher levels
Brain Compression and Herniation
Malformation
Cerevral Aneurysm
ØCerebrovascular Disease and Stroke
Ischemic Stroke
Emboli
uThrombotic strokes