Created at 10:27 a.m. Jul, 08, 2025
Author: mohannadkh10
Related Note: 1528757100223 1
Rationale for change

The question describes a suicidal patient with multiple attempts who does not meet criteria for MDD and asks for the expected finding. The correct answer is low concentration of 5-hydroxyindoleacetic acid in the cerebrospinal fluid.

This association is also mentioned in UW Step 1 question 8878, in the explanation of a wrong option:

Low CSF 5-hydroxyindoleacetic acid, a metabolite of serotonin, has been associated with impulsive, destructive behaviors, particularly aggression, suicide, and violence
Source: UWorld - Step 2 15897

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#PANCE::BEHAVIORAL::depression #PANCE::EOR::PSYCH #AK_Step2_v12::!Shelf::#Cards_AnKing_Did::5psych #AK_Step2_v12::#Subjects::Psychiatry::05_Mood_Disorders::Major_Depressive_Disorder::Pathophysiology #AK_Step2_v12::#CMS::Psychiatry::Form_05 #AK_Step2_v12::#UWorld::COMLEX::103072 #AK_Step2_v12::#SketchyPsych::12_Suicide::01_Suicide::01_Suicide #AK_Step2_v12::#B&B::13_Psych::04_Psychopharmacology::01_Antidepressants #AK_Step2_v12::Original_decks::Dorian::psych::nbme #AK_Other::#AK_Original_Decks::Step_2::Cheesy_Dorian_(M3) #AK_Step2_v12::!Shelf::Psych::no_dupes::only_step2 #AK_Step2_v12::#Subjects::Psychiatry::05_Mood_Disorders::Major_Depressive_Disorder #AK_Step2_v12::#UWorld::Step::15897 #AK_Step2_v12::#Resources_by_rotation::Psych::nbme #AK_Step2_v12::#OME::04_Psychiatry::14_Psych_Pharm_1 #AK_Step2_v12::#OME::Clinical::04_Psychiatry::14_Psych_Pharm_1