Recommended Wording for Starting a Mental Status Examination (MSE)
When starting a Mental Status Examination, begin with a clear explanation to the patient such as: "I'd like to ask you some questions to assess your thinking and memory. This is a standard part of our evaluation that helps us provide the best care for you." 1
Approach to the MSE
Initial Introduction and Setting
- Ensure the patient is in a comfortable, nonjudgmental environment without family member input or other distractions to avoid affecting examination results 2
- Explain the purpose of the examination in simple terms to reduce anxiety and establish rapport 3
- Clarify that this is a routine part of the medical evaluation, not an indication that you suspect a problem 1
Core Components to Assess
The MSE should systematically evaluate:
General appearance and behavior
Speech assessment
Mood and affect evaluation
Thought process and content
Perception and cognition
Validated Assessment Tools
When formal cognitive assessment is indicated:
- Brief screening (2-3 minutes): Mini-Cog has 76% sensitivity and 89% specificity for possible dementia 1
- Comprehensive assessment (10-15 minutes): Montreal Cognitive Assessment (MoCA), St. Louis University Mental Status Examination (SLUMS), or Short Test of Mental Status (STMS) 1
- For specialty settings: Consider Addenbrooke's Cognitive Examination (ACE-III) or Frontal Assessment Battery (FAB) for more detailed evaluation 1
Practical Implementation
For Primary Care Settings
- Begin with open-ended questions about the patient's concerns 5
- Follow an organized structure such as ABC-STAMPS (appearance, behavior, cooperation; speech, thought process and content, affect, mood, perceptions, suicidality) 3
- Document both your observations and the patient's responses 5
For Emergency Department Settings
- In patients with acute mental health or behavioral problems, focus first on ruling out medical causes of altered mental status 1
- When evaluating for suicide risk, ensure the patient undergoes a personal belongings search and is placed in a safe setting with close supervision 1
For Specialty Settings
- Use more comprehensive tools that provide specific domain scores (attention, memory, language, etc.) 1
- Consider the patient's educational level and cultural background when interpreting results 1
Common Pitfalls to Avoid
- Diagnostic overconfidence: Remember that MSE tools have varying sensitivity and specificity and are not diagnostic on their own 4
- Inadequate privacy: Ensure confidentiality to facilitate honest responses, especially regarding suicidal thoughts 1
- Cultural insensitivity: Be aware that cultural factors may influence responses and interpretation 1
- Premature conclusion: Abnormal responses in one domain may suggest a diagnosis but require context and clinical judgment 2
The MSE is a critical component of psychiatric evaluation that requires practice and clinical judgment. When properly conducted, it provides valuable information for diagnosis, treatment planning, and risk assessment.