Somnolence, stupor or obtundation: Difference between revisions

← Older edit

@@ Line 13: / Line 13: @@
 == Additional Info ==
 Includes:
-* Catatonia, if for non-organic causes; for organic causes use [[Organic brain disorder, NOS]], an organic brain syndrome refers to any syndrome or disorder of mental function whose cause is alleged to be known as organic (physiologic) rather than purely of the mind
+* Catatonia, if for non-organic causes; for organic causes use [[Organic brain disorder, NOS]]
+** *This refers to states of cerebral dysfunction associated with a disturbance in any of consciousness (like catatonia), cognition, mood, affect, and behavior in the absence of drugs, infection, or a metabolic cause.  These usually are due to fixed, anatomic abnormalities, though these do not always show up on brain imaging.
+**Thus, the "nonorganic" types are those due to drugs/substances, infection or metabolic causes, i.e. that they are (at least in principle) reversible.
 {{ICD10 Guideline Signs Symptoms Test Results not needed when cause known}}