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At the age of 78 severe depression
may be due to a number of reasons-
is one of major cause at this age, which may show clinical picture of depression and forgetfulness.
- Second cause that is most likely at this age and with this symptomatology is Delirium
secondary to dementia, as he is 78 and his Sodium levels are 126 which is in normal range, also CRP is high this means that he is having some sort of infection. So probably he is in delirium, which is causing aggression in him. Loss of orientation is also a feature of delirium.
He should be kept in intensive care unit
with well lighted room, with window, a paper and pan should be kept with him, try to talk to him. Rest is on team of his attending doctors. Psychiatry opinion is necessary in him.