10 Questions
What is the result of subdural hematoma affecting the pupil and limb?
Dilated pupil on the affected side and contralateral limb weakness
What are the symptoms of subarachnoid hemorrhage?
Headache, photophobia, and neck stiffness
What injury can cause intracerebral laceration?
Impalement injury
What should be done with foreign bodies found protruding from the skull?
Leave them in place; they will be removed at the neurosurgical unit
What determines the prognosis of gunshot wounds and fragment wounds?
Size of missile, energy transfer, number of penetrating fragments, and length of wound track
What is the defining characteristic of concussion?
Brief loss of consciousness
Which condition results from tearing of the brain's long connecting nerve fibers?
Diffuse axonal injuries
What is the typical symptom of extradural/epidural hematoma?
Loss of consciousness followed by a lucid interval
What causes contusions in the brain?
Blunt injury producing acceleration and deceleration forces on the brain tissue
Which type of brain injury requires early diagnosis for rapid evacuation to a surgical unit?
Focal brain injuries
Study Notes
Cerebral Injuries
- Subdural hematoma affecting the pupil and limb can cause unequal pupil size and limb weakness.
Subarachnoid Hemorrhage Symptoms
- Symptoms of subarachnoid hemorrhage include severe headache, stiff neck, and vomiting.
Injuries Causing Intracerebral Laceration
- Intracerebral laceration can result from penetrating injuries, such as gunshot wounds or stab wounds.
Management of Protruding Foreign Bodies
- Protruding foreign bodies found in the skull should not be removed, as this can cause further injury.
Prognosis of Gunshot Wounds and Fragment Wounds
- The prognosis of gunshot wounds and fragment wounds is determined by the velocity and kinetic energy of the projectile.
Defining Characteristics of Concussion
- Concussion is defined by a brief loss of consciousness or transient alteration of consciousness.
Condition Resulting from Tearing of Brain Fibers
- Diffuse axonal injury results from tearing of the brain's long connecting nerve fibers.
Symptom of Extradural/Epidural Hematoma
- Typical symptom of extradural/epidural hematoma is a lucid interval followed by rapid deterioration.
Causes of Contusions in the Brain
- Contusions in the brain are caused by coup or countrecoup injuries, which occur when the brain collides with the skull.
Brain Injuries Requiring Rapid Evacuation
- Extradural/epidural hematoma requires early diagnosis and rapid evacuation to a surgical unit.
Test your knowledge about traumatic brain injuries including concussions, diffuse axonal injuries, and focal brain injuries. Learn about the symptoms and effects of these types of brain injuries.
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