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part 1 discusses :
Altered Consciousness is a Symptom i.e. due to problem in Higher
cerebral function.
problem in# higher cerebral function includes
altered memory,Attention, Awareness.
Usually patient comes in emergency department within hours to days
#Delirium is a slow progressive condition.
it's waxing and waning of consciousness
it's different from altered mental status.
#Differentials-
Tumor ,stroke , SAH, SDH,ICH
infective condition-meningitis, encephalitis, abscess, pneumonia
Hepatic encephalopathy
sepsis
shock
hypo/hyperthyroidism
hypo/hypernatremia
hypo/hypercalcaemia etc.
for remaining watch part 2
Reference-Text-Harrisons neurology
![](https://i.ytimg.com/vi/uD_he5Rbnto/mqdefault.jpg)