Concussion and Other Traumatic Brain Injuries

Question 1

Most common characteristics of injury classification systems ?

Answer 1

Loss of consciousness and posttraumatic amnesia.

Question 2

Some signs associated with basilar fractures ?

Answer 2

Hemotympanum, Ecchymosis over the mastoid process (Battle sign) and periorbital ecchymosis (racoon sign).

Question 3

Signs and Symptoms of Chronic Subdural Hematomas?

Answer 3

Headache fluctuating in severity and sometimes with changes in head position. Drowsiness, inattentiveness and incoherence of thought are more prominent than focal signs such as hemiparesis.

Question 4

Which are the cranial nerves most often injured with TBI ?

Answer 4

Olfactory, Optic, Oculomotor, Trochlear , 1st and 2nd branches of the trigeminal and facial and auditory nerves.

Question 5

Which sign indicates trochlear nerve damage ?

Answer 5

Diplopia limited to downward gaze and corrected when the head is tilted away from the side of the affected eye.