Paeds · mental-behavioural-and-psychosomatic
Mental state examination in children and adolescents
Also known as Paediatric mental state examination · Child and adolescent MSE · Mental status examination · Psychiatric assessment of the child · Observation-based mental state assessment
A fellowship approach to performing and documenting a mental state examination on a child or adolescent: setting the conditions, observing each of the seven domains, adapting the method to preschool, school-age and adolescent patients, integrating validated brief screens, weighing findings against the developmental norm and against medical mimics, and acting on suicide and safety risk in the room.
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Target exams
Red flags
- Active suicidal ideation with plan, intent or access to means disclosed during the MSE
- Acute psychosis — responding to unseen stimuli, thought disorder, or a fixed false belief
- Fluctuating consciousness or disorientation suggesting delirium or an organic cause, not a primary psychiatric disorder
- Disclosure of abuse, assault or family violence during the assessment
- Medical instability — bradycardia, postural drop, hypothermia or severe weight loss from an eating disorder
- Acute agitation or intoxication posing a safety risk to the patient, family or staff
- A falsely reassuring MSE taken only in front of a parent who suppresses the adolescent's disclosure
- Cultural or linguistic mismatch mislabelled as thought disorder or psychosis
Life stages
Care settings
Clinical exam formats
Board mappings
- General and Community Paediatrics
- Mental and behavioural health assessment in children and young people
- Current 2026 PREP curriculum — Learning Objective 1.2.1: Communicate with a child or young person in a way which is appropriate to the position of that child within their own culture
- Current 2026 PREP curriculum — Learning Objective 2.4.1: Assess and manage common mental and behavioural health problems in children and young people
- Renewed curriculum for first-year trainees from 2027 — Learning goal 5: Clinical assessment – essential general paediatrics
- Renewed curriculum for first-year trainees from 2027 — Learning goal 12: Communication with patients, families, and health professionals
- Clinical Applications
- Mental and behavioural health and the mental state examination
- Long Cases
- Short Cases
- Communication stations
- 2. Professional skills and knowledge: Communication
- 2. Professional skills and knowledge: Safeguarding
- 4. Professional skills and knowledge: Patient management
- 11. Adolescent health and mental and behavioural health assessment
- Foundation of Practice (FOP)
- Applied Knowledge in Practice (AKP)
- Mental and behavioural health, child and adolescent psychiatry and safeguarding
- History
- Communication
- Clinical
- Development
- General Pediatrics Content Outline — Domain 16: Mental and Behavioral Health
- General Pediatrics Content Outline — Domain 11: Adolescent Medicine and Gynecology
- General Pediatrics EPA 3: Providing well-child and adolescent care including preventive care and anticipatory guidance
- Patient Care 1: History and Physical Examination
- Patient Care 5: Patient Management
- Interpersonal and Communication Skills 1: Patient- and Family-Centered Communication
- Professionalism 1: Professional Behavior and Ethical Principles
- Communicator
- Collaborator
- Health Advocate
- Professional
- Pediatrics: Foundations EPA — Assessing mental and behavioural health in children and adolescents
Overview & Definition
A 14-year-old sits in your clinic while a parent describes a year of declining marks, withdrawn behaviour, and a recent episode of self-harm. The parent has given you the history. What you do not yet have is a structured picture of how this young person's mind is working right now, today, in front of you. The mental state examination is the tool that produces that picture. [9] [8]
The MSE is a cross-sectional assessment. It records mental functioning at the moment of the encounter, which is why it complements but never replaces the longitudinal psychiatric history. The history tells you the story over time; the mental state examination tells you what is present now. A young person can describe years of low mood (history) while appearing bright and reactive in your room (current mental state), and both observations matter. [9]
Two ideas make the paediatric MSE different from the adult version, and both matter at every step. First, you must observe before you interview, because young children often cannot or will not report their inner state in words. Second, you must match the method to the developmental stage: a preschooler is assessed through play and behaviour, an adolescent through a private conversation. Apply an adult MSE unchanged to a five-year-old and you will record almost nothing of value. [10]
The reason this skill sits in general paediatrics, not only in child psychiatry, is simple. Mental disorder is common, help is scarce, and most young people who need mental-health care never reach a specialist. The general paediatrician who can perform and interpret a reliable MSE is the narrowing point of that gap. A well-conducted examination can recognise a depressive or anxious state, weigh it against a medical mimic, assess the risk of suicide, and decide the disposition — all in the same visit. [5] [9]
References11ShowHide
- [1]Goodman R Psychometric properties of the strengths and difficulties questionnaire. Journal of the American Academy of Child and Adolescent Psychiatry, 2001.PMID 11699809
- [2]Kroenke K, Spitzer RL The PHQ-9: validity of a brief depression severity measure. Journal of General Internal Medicine, 2001.PMID 11556941
- [3]Spitzer RL, Kroenke K, Williams JB, et al. A brief measure for assessing generalized anxiety disorder: the GAD-7. Archives of Internal Medicine, 2006.PMID 16717171
- [4]Knight JR, Sherritt L, Shrier LA, Harris SK, Chang G Validity of the CRAFFT substance abuse screening test among adolescent clinic patients. Archives of Pediatrics & Adolescent Medicine, 2002.PMID 12038895
- [5]Mangione CM, Barry MJ, Nicholson WK, et al. Screening for Depression and Suicide Risk in Children and Adolescents: US Preventive Services Task Force Recommendation Statement. JAMA, 2022.PMID 36219440
- [6]Posner K, Brown GK, Stanley B, Brent DA, Yershova KV, Oquendo MA, Currier GW, Melvin GA, Greenhill L, Shen S, Mann JJ The Columbia-Suicide Severity Rating Scale: initial validity and internal consistency findings from three multisite studies with adolescents and adults. American Journal of Psychiatry, 2011.PMID 22193671
- [7]Horowitz LM, Bridge JA, Teach SJ, et al. Ask Suicide-Screening Questions (ASQ): a brief instrument for the pediatric emergency department. Archives of Pediatrics & Adolescent Medicine, 2012.PMID 23027429
- [8]Shain B Suicide and Suicide Attempts in Adolescents. Pediatrics, 2016.PMID 27354459
- [9]Birmaher B, Brent D, Bernet W, et al. Practice parameter for the assessment and treatment of children and adolescents with depressive disorders. Journal of the American Academy of Child and Adolescent Psychiatry, 2007.PMID 18049300
- [10]Cohen E, MacKenzie RG, Yates GL HEADSS, a psychosocial risk assessment instrument: implications for designing effective intervention programs for runaway youth. Journal of Adolescent Health, 1991.PMID 1772892
- [11]Staines L, Healy C, Coughlan H, et al. Psychotic experiences in the general population, a review; definition, risk factors, outcomes and interventions. Psychological Medicine, 2022.PMID 36004805