Introduction to the Medical Interview
Taking a Medical History
August 25th, 2008
John Gazewood, MD, MSPH
Department of Family Medicine
Most medical diagnoses are made on the basis of the medical history.
The physician-patient relationship develops from the medical history.
History taking is the most important clinical skill.
Objectives
Describe the characteristics of an effective interview
Describe patient-centered interviewing
Describe the content of the medical history
Describe the process of a taking a medical history, with attention to appropriate use of interview techniques.
Understanding Exactly – the effective interview
• Objectivity – validity
- remove one’s own beliefs and biases;
- requires active listening and feedback to patient
- avoid premature interpretation
( Precision – words are the basic measurement of measurement in an interview. The
data obtained from the interview is only as good as the understanding of the meaning
of the words used.
( Reproducibility – the history obtained by one interviewer should be equivalent to that
obtained by another. This is often not the case (as you will experience).
Working to develop and demonstrate the following attitudes will help you become a more effective interviewer.
Respect
Value an individual’s traits and beliefs
Genuineness
Be yourself, both personally and professionally
Empathy
Understanding and sensitive appreciation of another person
Communication of that understanding back to the patient
Biomedical model
Understands disease and aberrant behavior as deviations from normal physiological functioning. Ignores psychological, social, cultural, spiritual context.
Patient-Centered Model
Integrates the biomedical model and the biopsychosocial model. Understands disease in the broader context of an individual’s unique experience of illness. This includes an understanding of the patients psychological, social, cultural and spiritual values and beliefs, and how these influence, and are influenced by, the patient’s disease. Based on communication theory and experimental data derived from observation physician-patient interactions.
Patient-Centered Interviewing
Parallel search of two frameworks – both equally important
Illness framework (Patient)
ideas, concerns, expectations, feelings, thoughts, effects
understanding patient’s experience of illness
Disease framework (Physician)
symptoms, signs, investigations, underlying pathology
differential diagnosis
Integration of two frameworks leads to finding COMMON GROUND
Nature of problems and priorities
-- Goals of treatment
-- Roles of Doctor and Patient
SHARED UNDERSTANDING AND DECISION-MAKING
Who Controls the Interview?
Interview progresses from patient centered (and controlled) to physician centered
The control of the interview may revert back and forth between physician an patient over course of the intervew
Dysfunctional interviews – eg, rambling patient, or highly controlling physician.
Patient-centered Interview
Associated with:
Patient satisfaction
Better patient outcomes
symptom resolution
fewer follow-up visits for symptoms
Patients less likely to switch physicians
Lower chance of malpractice suits
Content of Medical Interview
Chief Complaint
History of Present Illness
Past Medical History
Family History
Social History (Patient Profile)
Review of Systems
Setting the Stage
Common courtesies show respect for patient
Knock
Introduce yourself, and purpose of interview
Be friendly, but courteous - use the patient’s name
Attend to the patients comfort and privacy
Chief Complaint
The main reason patient presents for care
Identifying the patient’s agendas
Be alert for hidden agendas
Defining the “iatrotropic stimulus” can help clarify purpose of visit
What motivated the patient to come to the office/ ER today?
In only 23% of office visits were patients allowed to complete their opening statement
On average, physicians interrupted 4 times, used closed questions 46% of time, interchangeable responses 35% of time.
Only 1 of 51 patients who were interrupted completed opening statement
Order in which patients present complaints not related to clinical importance
Let the patient do the talking
Minimal facilitators “uh huh,” “mm hmm”, “OK”
most likely to allow patient to complete opening statement
use of non-verbal communication techniques also important
Chief Complaint - Defining agendas
Screening
Checking with patient if there are other issues.
“Is there anything else you wish to discuss today?”
Confirmation
Confirm and clarify understanding of patients concerns for the patient.
Negotiate agenda for session
Allows patient to prioritize problems
Helps to establish therapeutic partnership
History of Present Illness
( Thorough elaboration of the chief complaint and other current symptoms
( Patient-centered interview
Develop thorough understanding of the patient’s illness
Focus on the context and patient’s understanding of the illness, in addition to the
“disease.”
- Exploration of the disease
- What are patient’s feelings about the disease?
- ie, what is patient’s emotional response to illness – fear, distrust, anger, sadness, ambivalence?
- What are patient’s ideas about illness?
- Patient’s understanding of disorder and its cause. Patient’s ideas about reasonable treatment.
- How does the patient experience this illness?
- How has illness affected patient functionally? How has it affected relationships? What is its symbolic meaning?
- What are the patients expectations?
- What does the patient want from the physician. What are values and fears?
What does patient want today? In long run?
-Who is this patient?
What are the patient’s interests, work, important relationships, values, major concenrs?
( Obtained using combination of open-ended and directive questions
( Simultaneously develops information about patient’s life setting and the symptoms
Physician-centered interview
Chronological account of disease
Thorough symptom description
Qualitative and quantitative description
-- Leads to differential diagnosis
Open ended questions
Directive open-ended questions - seven “Wh” questions
- Where is it on your body? Where does it go? (location)
- What does it feel like? (quality)
- How bad is it? (severity)
- When did it start? (timing)
- Does it come and go, or does it stay?
- How long does it last? How often does it come?
- When does it occur? (setting/context)
- What makes it better or worse? (modifying factors)
- What other symptoms do you have with this? (associated symptoms)
( Describing pain -
Quality – nature of pain gives underlying clue about underlying pathology
Severity – useful to use semi-quantitative or quantitative scale
Mild, moderate, severe, excruciating
On a scale of 1 to 10, where 1 is very mild pain, and 10 is the
worst pain imaginable, how bad is your pain?
( Laundry list/menu questions
Useful when patient has difficulty describing symptom. Be careful to avoid
too many choices. Avoid forcing patient to use description that may not be
accurate. “Is your dizziness more like you feel you are about to faint, the room is
spinning around, or something else?”
Directive or close-ended questions
Clarification of unclear meaning
Provide additional detail
- Hypothesis testing – interviewer develops hypotheses about cause of illness, why patient responds to illness a certain way, etc., uses directive questions to explore hypotheses.
-
Avoid leading questions - your head doesn’t hurt, does it?
Avoid multiple questions – do you have stomach pain or diarrhea?
Clarify uncertainties/ambiguity
Summarize
Feedback to patient your understanding of story
you have story straight
provides focus
provides organization
allows for transition
Confrontation
Pointing out discrepancies
in the story, behavior, verbal/non-verbal communication
clarifies discrepancies
References
Coulehan, JL, Block, MR. The Medical Interview: Mastering Skills for Clinical Practice, 4th ed. Philadelphia, FA Davis Co., 2001.
Bickley, LS, Hoekelman, RA. Bates Guide to Physical Examination and History Taking, 7th ed. Philadelphia, Lippincott, 1999.
Smith, C, Hopp RB. The patient’s story: Integrating the patient- and physician-centered approaches to interviewing. Ann Int Med 1991; 115 (6): 470-77.
Beckman, HB, Frankel, RM. The effect of physician behavior on the collection of data. Ann Int Med. 1984: 101: 692-6.
Stewart, M, Brown JB, Donner A, et al. The impact of patient-centered care on patient outcomes. Journal of Family Practice. 2000; 49: 796-804.
Stewart, M, Brown JB, et al. Patient-Centered Medicine: Transforming the Clinical Method. Thousand Oaks, CA: Sage Publications, 2003.
Platt FW, Gaspar DL et al. “Tell me about yourself: the patient-centered interview.” Ann Int Med. 2001;134:1079-1085
Laine C, Davidoff F. Patient-centered medicine: a professional evolution. JAMA. 1996;275(2):152-156.
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