Mental Status Exam and Diagnosis

appearance

behavior

speech

mood

affect

thought process

thought content

perception

insight

judgment

cognition

core components of a mental status exam

mood: pt's subjective emotional state

affect: clinician's objective assessment of emotional expression

differentiate mood and affect

thought process: organization and flow

thought content: delusions, obsessions, phobias, suicidal or homicidal ideation

differentiate thought process and though content

awareness of illness and need for treatment

what is insight in a MSE?

Distinguishes psychiatric vs neurologic vs medical causes

Helps identify emergent risks (suicidality, psychosis, delirium)

Tracks changes over time (baseline vs follow-up)

Provides objective documentation

why does a MSE matter clinically?

Grooming, hygiene, dress, posture, eye contact

assessment of appearance includes

DSM-V

the standardized classification system used to diagnose mental disorders.

1. symptom clusters (not single findings)

2. duration and severity

3. functional impairment (must cause distress)

4. exclusion criteria (rule out medical)

core principles of diagnosing a psychiatric disorder

1.History + MSE

2. Identify symptom pattern

3. Apply DSM-5 criteria

4. Rule out medical/substance causes

5. Assign diagnosis (and specifiers if applicable)

steps to diagnose a psychiatric illness

-diagnostic criteria

-duration requirements

-severity specifiers

-course specifiers

-associated features

-prevalence and risk factors

-comoribidity

specific components to a DSM V diagnosis

You do not diagnose from the MSE alone.The MSE provides evidence; the DSM-5 provides criteria.

can you diagnose based on MSE alone?