Altered Mental Status- extracted from Jarrod torture chambers Flashcards
What is mental status composed of?
Responsiveness and orientation
AEIOUTIPS?
Alcohol, epilepsy, Insulin, Overdose, under dose/uremia, trauma/temperature/thiamine deficiency, Infection, poisoning/psychiatric, seizures/strokes,
Frontal lobe function?
Problem solving, emotions, producing speech; think brocas area
Parietal lobe function
Perception, proprioception
Temporal Lobe fucntion
memory/understanding language; think Wernicke’s area
Occipital Lobe function
Sight
Normal Intracranial Pressure Value?
5-15 mm/hg
When does ICP become dangerous?
15 mm/hg or greater
What value of ICP represents herniation?
Greater than 25 mm/hg
What CPP value is required for adequate perfusion of the dome?
60 mm/hg
When cerebral herniation occurs, we need to maintain a MAP of _____ or a systolic of _____
85, 110
When cerebral herniation occurs we need to maintain an ETC02 of _____?
30-35 mm/hg
What is the criteria for a Cerebral herniation
A GCS of less than 9 with either; blown pupils, decerebrate posturing, or a rapid drop in GCS of two points or more.
What are the trademark triad of Cushing’s response in TBI
Hypertension, bradycardia, irregular respirations
What does a concussion indicate?
No structural damage to the brain that can be seen on imaging
What are some trademark signs and symptoms of concussion?
Variable period of consciousness, with a return to normal consciousness. Retrograde amnesia. Dizziness. Headache. Nausea. tinnitus.
What is a cerebral contusion and how does it present?
It is defined as bruised brain tissue
it presents with prolonged unconsciousness or a serious alteration in LOC.
What are four hallmark signs of Cerebral Contusion?
prolonged unconsciousness, Stroke like symptoms, personality changes, prolonged amnesia
