A18 yr old man who was an unbelted driver involved in a motor vehcle accident pr
ID: 126970 • Letter: A
Question
A18 yr old man who was an unbelted driver involved in a motor vehcle accident presents in coma. a. What are the clinical signs of coma? b. What areas of the brain are involved in coma? c. Which complications of traumatic head injury might lead to coma? 1. 2. A child is taken to the ED with legargy, fever, and a stiff neck on axamination What findings on initial lumbar puncture indicate bacterial versus viral meningitis? B. A. In the case of bacterial meningitis, what are the most likely organisms, and which antibiotics should be started? A 60 yr old man develops involuntary shaking of his risght arm that spreads to the face, after which he collapses with whole body shaking and loss of consciousness. After 1 minute, the shaking stops and he is confused A. What type of seizure is suggested by the clinical manifestations? B. What diagnosti8c tests should be performed to identify a cause for the seizure? 3.Explanation / Answer
1. A)CLINICAL SIGNS OF COMA :
B)AREAS OF THE BRAIN INVOLVED IN COMA :
Areas of the brain that are involved in coma are :
CEREBRAL CORTEX :
The cerebral cortex is the largest region of the brain. There are three main types of activity associated with the crebral cortex.
RETICULAR FORMATION:
The reticular formation is a collection of neurones in the core of brain stem, surrounded by neural pathways that conduct ascending and descending nerve impulses between the brain and the spinal cord. It has a vast number of synaptic links with other parts of the brain and is therefore constantly receiving 'information' being transmitted in ascending and descending tracts.
C) COMPLICATIONS OF TRAUMATIC HEAD INJURY WHICH MAY LEAD TO COMA :
Complications of traumatic head injury which may lead to coma are :