NU566 Unit 2 The Patient Interview

NU556 Unit 2: The Patient Interview

A comprehensive patient interview is the foundation of safe, patient-centered healthcare. It allows healthcare providers to collect accurate subjective data, identify the patient’s primary concerns, establish trust, and develop evidence-based diagnostic and treatment plans. By following a structured approach that includes the chief complaint, history of present illness (HPI), medication review, allergy assessment, past medical history, family history, social history, preventive health evaluation, and review of systems (ROS), clinicians can improve clinical reasoning, patient safety, and healthcare outcomes. For nurse practitioner (NP) students, advanced practice registered nurses (APRNs), and nursing students completing NU556 Unit 2, mastering patient interviewing skills is essential for providing high-quality clinical care.

Why the Patient Interview Is Important

The patient interview is the first step of every comprehensive health assessment. Unlike diagnostic tests that provide objective findings, the interview gathers subjective information directly from the patient, helping clinicians understand symptoms, health concerns, lifestyle factors, and medical history.

An effective patient interview helps healthcare providers:

• Build therapeutic relationships.

• Identify the patient’s primary concern.

• Improve diagnostic accuracy.

• Enhance patient safety.

• Support evidence-based clinical decision-making.

• Encourage shared decision-making and patient engagement.

A structured interview also reduces the risk of missing important clinical information that could affect diagnosis or treatment.

Preparing for the Patient Interview

Preparation begins before asking any clinical questions. Creating a private, comfortable, and distraction-free environment encourages honest communication and helps patients feel respected throughout the encounter.

Healthcare providers should:

• Introduce themselves by name and professional role.

• Ask how the patient prefers to be addressed.

• Confirm the patient’s preferred pronouns.

• Verify the patient’s full name and date of birth.

• Explain the purpose of the visit.

• Maintain confidentiality and privacy.

• Use open body language and appropriate eye contact.

Establishing rapport early improves communication and often results in a more complete and accurate health history.

Understanding the Chief Complaint (CC)

The Chief Complaint (CC) is the patient’s primary reason for seeking medical care. It should be documented using the patient’s own words whenever possible because this accurately reflects their concerns.

Common chief complaints include:

• Chest pain

• Shortness of breath

• Persistent cough

• Headache

• Abdominal pain

• Fever

• Back pain

Helpful opening questions include:

• Why are you here today?

• What brings you in today?

• What concerns you the most?

• How have you been feeling recently?

The chief complaint guides the remainder of the clinical assessment and helps prioritize further questioning.

Obtaining the History of Present Illness (HPI)

The History of Present Illness (HPI) provides a detailed description of the patient’s current health problem. It explores symptom onset, progression, severity, associated symptoms, and previous treatment attempts.

One of the most widely accepted methods for documenting the HPI is the OLD CARTS framework.

O – Onset

Determine when symptoms first appeared.

Questions include:

• When did your symptoms begin?

• Did the symptoms begin suddenly or gradually?

• Are you still experiencing them?

L – Location

Identify where the symptom occurs.

Examples include:

• Where is the pain located?

• Does the pain radiate anywhere else?

D – Duration

Determine how long symptoms last and how often they occur.

Questions include:

• How long does each episode last?

• Are the symptoms constant or intermittent?

• Have they become worse over time?

C – Characteristics

Ask patients to describe the symptom using their own words.

Common descriptions include:

• Sharp

• Dull

• Burning

• Aching

• Throbbing

• Pressure

• Stabbing

A – Aggravating Factors

Identify factors that worsen symptoms.

Examples include:

• Walking

• Exercise

• Eating

• Movement

• Stress

• Position changes

R – Relieving Factors

Determine what improves symptoms.

Patients may report relief with:

• Rest

• Medication

• Heat therapy

• Ice application

• Position changes

T – Treatments

Review interventions already attempted.

Ask about:

• Prescription medications

• Over-the-counter medications

• Home remedies

• Physical therapy

• Previous medical evaluations

Document:

• Medication name

• Dosage

• Frequency

• Effectiveness

S – Severity

Evaluate symptom intensity using a standardized pain scale.

For example:

“On a scale from 0 to 10, with 10 being the worst pain imaginable, how severe is your pain?”

Using the OLD CARTS framework promotes consistent documentation and ensures that essential clinical details are not overlooked.

Completing a Comprehensive Medication History

Medication reconciliation is a vital component of every patient interview because medication errors remain a leading cause of preventable adverse events.

Document all:

• Prescription medications

• Over-the-counter medications

• Vitamins

• Herbal products

• Dietary supplements

• Recently discontinued medications

For each medication, record:

• Name

• Dosage

• Route

• Frequency

• Indication

• Patient adherence

Example question:

“Can you tell me everything you currently take, including vitamins or herbal supplements?”

Performing an Allergy Assessment

Accurate allergy documentation helps prevent adverse drug reactions and improves patient safety.

Assess for:

• Medication allergies

• Food allergies

• Environmental allergies

• Latex allergy

• Previous vaccine reactions

Clarify the reaction experienced, such as:

• Rash

• Hives

• Swelling

• Difficulty breathing

• Gastrointestinal symptoms

• Anaphylaxis

Helpful questions include:

• Are you allergic to any medications?

• What happens when you are exposed?

• Have you ever experienced a severe allergic reaction?

Reviewing the Past Medical History

Past medical history provides valuable context that influences diagnosis and treatment planning.

Review chronic and significant conditions, including:

• Hypertension

• Diabetes mellitus

• Asthma

• Coronary artery disease

• Chronic kidney disease

• Cancer

• Mental health disorders

Also assess:

• Childhood illnesses

• Pregnancy history

• Previous diagnostic testing

• Significant infectious diseases

Example questions include:

• Have you ever been diagnosed with any chronic medical conditions?

• Have you experienced any serious illnesses in the past?

Documenting Surgical History and Hospitalizations

Previous surgeries and hospital admissions may influence current care decisions.

Document:

• Surgical procedures

• Approximate dates

• Hospital admissions

• Reasons for hospitalization

• Surgical or postoperative complications

Example question:

“Have you ever had surgery or stayed overnight in a hospital?”

Collecting Family History

Family history helps identify inherited diseases and genetic risk factors.

Assess whether close relatives have experienced:

• Heart disease

• Hypertension

• Diabetes

• Stroke

• Cancer

• Mental illness

• Thyroid disorders

• Autoimmune diseases

Questions may include:

• Are your parents living?

• Do your siblings have any medical conditions?

• Does your family have a history of heart disease or cancer?

Assessing Social History

Lifestyle and environmental factors often influence disease risk and treatment outcomes.

Assess:

• Education

• Employment

• Living situation

• Relationship status

• Nutrition

• Physical activity

• Tobacco use

• Alcohol consumption

• Recreational drug use

• Sexual history

• Home safety

• Exposure to violence

Example questions include:

• What type of work do you do?

• Do you currently smoke or vape?

• How often do you drink alcohol?

• Do you feel safe at home?

If tobacco use is identified, document:

• Years smoked

• Packs per day

• Total pack-years

• Previous quit attempts

Evaluating Preventive Health History

Preventive healthcare focuses on disease prevention, health promotion, and early detection through routine screenings and immunizations.

Assess whether patients are current with recommended preventive services, including:

• Adult immunizations

• Influenza vaccine

• COVID-19 vaccination

• Pap smear

• Mammography

• Colonoscopy

• Prostate cancer screening

• Bone density testing

• Testicular self-examination

• Breast self-awareness

Helpful questions include:

• Are your vaccinations up to date?

• When was your last mammogram?

• Have you ever had a colonoscopy?

Completing the Review of Systems (ROS)

The Review of Systems (ROS) is a systematic head-to-toe assessment that identifies symptoms involving every major body system, including concerns unrelated to the chief complaint.

General

Assess:

• Fever

• Chills

• Fatigue

• Weight changes

• Night sweats

• Appetite changes

Skin

Review:

• Rash

• Bruising

• Wounds

• Skin color changes

• Changes in moles

Eyes

Assess:

• Vision changes

• Blurred vision

• Eye pain

• Corrective lens use

Ears

Review:

• Hearing loss

• Ear pain

• Tinnitus

• Ear drainage

Nose, Mouth, and Throat

Evaluate:

• Nasal congestion

• Nosebleeds

• Difficulty swallowing

• Sore throat

• Hoarseness

• Dental problems

Breast

Assess:

• Breast pain

• Lumps

• Skin changes

• Nipple discharge

Hematologic, Lymphatic, and Endocrine

Review:

• Swollen lymph nodes

• Easy bruising

• Blood transfusions

• Excessive thirst

• Heat or cold intolerance

• Appetite changes

Cardiovascular

Assess:

• Chest pain

• Palpitations

• Edema

• Orthopnea

• Paroxysmal nocturnal dyspnea

Respiratory

Review:

• Cough

• Wheezing

• Shortness of breath

• Hemoptysis

• Tuberculosis history

• Pneumonia

Gastrointestinal

Assess:

• Abdominal pain

• Nausea

• Vomiting

• Constipation

• Diarrhea

• Black or bloody stools

• Hepatitis history

Genitourinary and Reproductive

Review:

• Dysuria

• Urinary frequency

• Urgency

• Sexual activity

• Sexually transmitted infections

• Contraceptive use

For female patients:

• Last menstrual period

• Pregnancy history

• Pap smear

• Mammogram

• Vaginal discharge

For male patients:

• Prostate symptoms

• PSA testing

• Urinary changes

Musculoskeletal

Assess:

• Joint pain

• Joint swelling

• Muscle weakness

• Back pain

• Osteoporosis

• Fractures

Neurological

Review:

• Headaches

• Dizziness

• Weakness

• Numbness

• Seizures

• Syncope

• Paralysis

Psychiatric

Assess:

• Depression

• Anxiety

• Sleep disturbances

• Mood disorders

• Suicidal ideation

• Previous psychiatric diagnoses

Transitioning to the Physical Examination

After completing the health history, explain the next step before beginning the physical examination.

A professional transition statement is:

“Thank you for answering my questions. Next, I’ll perform your physical examination to gather additional information about your health.”

Providing clear explanations reduces patient anxiety, improves cooperation, and strengthens the therapeutic relationship.

Best Practices for Conducting an Effective Patient Interview

Evidence-based communication techniques improve interview quality and patient satisfaction.

Healthcare providers should:

• Begin with open-ended questions before asking focused questions.

• Practice active listening without interrupting.

• Demonstrate empathy and professionalism.

• Avoid unnecessary medical jargon.

• Summarize key information to confirm accuracy.

• Use teach-back techniques to verify patient understanding.

• Document findings promptly and accurately.

• Respect cultural differences and patient preferences.

Key Takeaways

A comprehensive patient interview is the cornerstone of accurate diagnosis and high-quality patient care. Using a structured approach—including the chief complaint, HPI, medication review, allergy assessment, medical and surgical history, family history, social history, preventive care evaluation, and review of systems—ensures complete data collection and supports informed clinical decision-making.

Standardized tools such as the OLD CARTS framework improve consistency, while therapeutic communication, active listening, and accurate documentation strengthen patient safety, interdisciplinary collaboration, and evidence-based practice.

Citation-Friendly Summary

• A comprehensive patient interview is the primary method for collecting subjective health information and guiding clinical decision-making.

• The OLD CARTS framework (Onset, Location, Duration, Characteristics, Aggravating factors, Relieving factors, Treatments, and Severity) provides a standardized approach for documenting the history of present illness.

• Medication reconciliation, allergy assessment, and a complete review of systems are essential components of a comprehensive health history.

• Effective communication, active listening, empathy, and cultural competence improve patient engagement and healthcare outcomes.

• A structured patient interview supports accurate diagnosis, patient safety, and evidence-based nursing practice.

Schema-Ready Structure

• Topic: NU556 Unit 2 Patient Interview

• Primary Focus: Comprehensive Health History

• Audience: Nurse Practitioner students, APRNs, nursing students, healthcare professionals

• Core Concepts: Chief Complaint, History of Present Illness, OLD CARTS, Medication History, Allergy Assessment, Past Medical History, Surgical History, Family History, Social History, Preventive Health, Review of Systems, Therapeutic Communication

• Learning Outcome: Conduct and document a complete patient interview that supports accurate diagnosis and patient-centered care.

Frequently Asked Questions

What is the purpose of a patient interview?

A patient interview gathers subjective health information, identifies the patient’s primary concerns, builds therapeutic rapport, and provides the foundation for diagnosis, treatment planning, and evidence-based clinical decision-making.

What does OLD CARTS stand for?

OLD CARTS stands for Onset, Location, Duration, Characteristics, Aggravating factors, Relieving factors, Treatments, and Severity. It is a structured framework used to assess the history of present illness.

Why is the chief complaint important?

The chief complaint identifies the patient’s primary reason for seeking healthcare and guides the direction of the clinical assessment, diagnostic testing, and treatment planning.

What should be included in a medication history?

A complete medication history should include:

• Prescription medications

• Over-the-counter medications

• Vitamins

• Herbal supplements

• Dietary supplements

• Medication dosage

• Route of administration

• Frequency

• Reason for use

• Medication adherence

Why is the Review of Systems (ROS) important?

The Review of Systems systematically evaluates every major body system, helping clinicians identify additional symptoms that may influence diagnosis, treatment decisions, or the need for further evaluation.

How should a healthcare provider conclude the interview?

Healthcare providers should summarize the information collected, answer patient questions, explain the next steps, obtain consent before the physical examination, and ensure the patient understands the plan of care.

References

Agency for Healthcare Research and Quality. (2023). Communication and patient safety. https://www.ahrq.gov/patient-safety/index.html

Ball, J. W., Dains, J. E., Flynn, J. A., Solomon, B. S., & Stewart, R. W. (2023). Seidel’s guide to physical examination: An interprofessional approach (10th ed.). Elsevier. https://www.elsevier.com/books/seidels-guide-to-physical-examination/ball/9780323763956

Bickley, L. S. (2024). Bates’ guide to physical examination and history taking (14th ed.). Wolters Kluwer. https://shop.lww.com/Bates%E2%80%99-Guide-to-Physical-Examination-and-History-Taking/p/9781975210878

NU566 Unit 2 The Patient Interview

Centers for Disease Control and Prevention. (2024). Adult immunization schedule by age group. https://www.cdc.gov/vaccines/hcp/imz-schedules/adult-age.html

Jarvis, C. (2024). Physical examination and health assessment (10th ed.). Elsevier. https://www.elsevier.com/books/physical-examination-and-health-assessment/jarvis/9780323824626