NU566 Unit 10 Discussion

NU566 Unit 10 Discussion

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Purdue University Global

NU566 NP I – Introduction to Primary Care for the Nurse Practitioner

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NU566 Unit 10 Discussion: 

Depression should never be diagnosed based solely on symptoms such as fatigue or low mood. In Jerome’s case, the clinical presentation is most consistent with recurrent depressive symptoms accompanied by anxiety, insomnia, increased alcohol consumption, and significant occupational stress. Although the available information does not yet confirm Major Depressive Disorder (MDD) according to DSM-5-TR criteria, his symptoms require a comprehensive mental health assessment, depression and suicide screening, evaluation for underlying medical conditions, and development of an individualized treatment plan. Early identification and evidence-based treatment can improve recovery, reduce relapse, and prevent complications such as substance misuse and suicide risk.

Understanding Jerome’s Clinical Presentation

Jerome is a 35-year-old welder who lives with his partner and two young children. He presents to a primary care clinic with complaints of persistent fatigue, decreased energy, reduced motivation, and poor sleep that have continued for approximately six weeks. Although overwhelmed by work-related stress, he has maintained his employment.

To cope with insomnia, Jerome has increased his alcohol intake from drinking twice per week to consuming three bottles of beer every evening. This behavioral change is clinically significant because alcohol can worsen depression, impair sleep quality, and interfere with future antidepressant treatment.

His psychiatric history includes anxiety, panic attacks, and moderately severe depression that responded well to sertraline five years ago. After completing six months of treatment, he discontinued the medication and remained symptom-free without ongoing follow-up. During today’s visit, Jerome appears withdrawn, sad, and emotionally flat, while his physical examination is otherwise normal.

Taken together, these findings strongly suggest recurrent depressive symptoms with coexisting anxiety. However, further assessment is necessary before confirming a diagnosis of Major Depressive Disorder.

Initial Clinical Assessment

The first step in Jerome’s care is establishing a therapeutic relationship that encourages honest communication regarding his emotional well-being, alcohol use, occupational stress, and family responsibilities. Building trust allows clinicians to gather accurate information while reducing stigma associated with mental health concerns.

A comprehensive psychiatric assessment should include:

• Previous episodes of depression or anxiety

• Current occupational and family stressors

• Sleep quality and daily functioning

• Alcohol and other substance use

• Family history of psychiatric disorders

• Previous response to antidepressant therapy

• Medication adherence history

• Suicidal thoughts, plans, or previous attempts

Because Jerome previously responded well to sertraline, understanding why he discontinued treatment may improve long-term adherence if medication is restarted.

Current clinical guidelines emphasize evaluating both psychological and physical contributors to depressive symptoms instead of assuming depression is the only cause of fatigue or low energy.

Assessment Tools Used to Support Diagnosis

A thorough clinical interview should be supported by validated screening tools to improve diagnostic accuracy and monitor treatment progress.

Physical Examination

Depressive symptoms may result from underlying medical conditions; therefore, a comprehensive physical examination remains essential.

Important assessment areas include:

• General appearance and grooming

• Mood, affect, and speech

• Neurological examination

• Thyroid assessment

• Cardiovascular evaluation

• Nutritional status

• Vital signs

Fatigue is a nonspecific symptom, making the exclusion of medical disorders an important part of evidence-based care.

Mental Health Screening Instruments

Several standardized tools are recommended in primary care.

Positive screening results should always be followed by a structured clinical interview using DSM-5-TR diagnostic criteria rather than relying solely on questionnaire scores.

Suicide Risk Assessment

Every patient presenting with depressive symptoms should undergo suicide risk screening regardless of whether suicidal thoughts are initially reported.

A comprehensive suicide assessment should evaluate:

• Current suicidal thoughts

• Intent and planning

• Previous suicide attempts

• Access to lethal means

• Protective factors

• Family and social support systems

Routine suicide screening improves patient safety and facilitates timely intervention when risk factors are identified.

Medical Conditions That Can Mimic Depression

Before diagnosing a primary depressive disorder, clinicians should investigate medical conditions capable of producing similar symptoms.

Potential physiological causes include:

• Hypothyroidism

• Iron deficiency anemia

• Vitamin B12 deficiency

• Vitamin D deficiency

• Diabetes mellitus

• Chronic liver disease

• Chronic kidney disease

• Cardiovascular disease

• Chronic infections

• Neurological disorders

• Obstructive sleep apnea

Medication-induced depression should also be considered, although Jerome currently reports no prescription medications.

His increased alcohol consumption deserves special attention because chronic alcohol use frequently contributes to fatigue, sleep disturbance, anxiety, and worsening depressive symptoms.

Does Jerome Meet DSM-5-TR Criteria for Major Depressive Disorder?

According to the DSM-5-TR, a diagnosis of Major Depressive Disorder requires at least five depressive symptoms occurring during the same two-week period, with one symptom being either depressed mood or loss of interest or pleasure.

Currently, Jerome demonstrates:

• Depressed mood

• Fatigue

• Reduced energy

• Insomnia

Based on the available information, these symptoms alone are insufficient to confirm Major Depressive Disorder.

Additional assessment should determine whether Jerome also experiences:

• Loss of interest or pleasure

• Appetite or weight changes

• Feelings of guilt or worthlessness

• Difficulty concentrating

• Psychomotor agitation or slowing

• Recurrent thoughts of death or suicide

A comprehensive psychiatric interview is therefore necessary before establishing a definitive diagnosis.

Evidence-Based Treatment Plan

Treatment should address both Jerome’s mental health symptoms and any underlying medical or behavioral contributors.

Diagnostic Evaluation

Recommended laboratory investigations include:

• Complete blood count (CBC)

• Thyroid-stimulating hormone (TSH)

• Comprehensive metabolic panel (CMP)

• Vitamin B12 level

• Vitamin D level

• Iron studies when clinically indicated

• Blood glucose or HbA1c

• Liver function tests because of increased alcohol consumption

Additional testing should be guided by clinical findings.

Pharmacologic Management

Jerome previously achieved symptom remission with sertraline, making it a reasonable treatment option after reassessing his diagnosis and confirming there are no contraindications.

Selective serotonin reuptake inhibitors (SSRIs) remain first-line medications for moderate depression and many anxiety disorders.

Patients should receive education regarding medication expectations:

• Improvement typically begins within two to four weeks.

• Maximum benefit often requires six to eight weeks.

• Early side effects frequently improve over time.

• Medications should never be stopped abruptly without medical supervision.

Patient education significantly improves treatment adherence and long-term outcomes.

Psychotherapy

Clinical evidence consistently demonstrates improved outcomes when psychotherapy is combined with medication for recurrent depression.

Recommended therapies include:

• Cognitive Behavioral Therapy (CBT)

• Behavioral activation

• Problem-solving therapy

• Interpersonal therapy

Referral to a licensed mental health professional should occur early in treatment whenever possible.

Lifestyle and Behavioral Interventions

Lifestyle modification plays an important role in depression recovery and relapse prevention.

Evidence-based recommendations include:

• Reduce or eliminate alcohol consumption.

• Establish healthy sleep habits.

• Engage in regular physical activity.

• Maintain a balanced, nutritious diet.

• Participate in enjoyable activities.

• Strengthen family and social support.

• Practice stress-management techniques.

These interventions improve mood, sleep quality, overall functioning, and treatment success.

Follow-Up and Monitoring

Close follow-up during the early stages of treatment allows clinicians to monitor progress and adjust interventions when necessary.

Recommended follow-up includes:

• Reassessment within one to two weeks after initiating treatment

• Monitoring medication adherence and adverse effects

• Repeat PHQ-9 and GAD-7 assessments

• Ongoing suicide risk evaluation

• Continued follow-up every two to four weeks until symptoms stabilize

Patients should also receive clear instructions to seek immediate medical care if suicidal thoughts develop or depressive symptoms worsen significantly.

Key Clinical Takeaways

Jerome’s presentation is highly suggestive of recurrent depression with coexisting anxiety and increased alcohol use, although additional assessment is necessary before confirming Major Depressive Disorder.

Important clinical priorities include:

• Perform a comprehensive psychiatric assessment using DSM-5-TR criteria.

• Screen with validated tools such as PHQ-9, GAD-7, and AUDIT-C.

• Evaluate for medical conditions that may mimic depression.

• Assess suicide risk during every encounter.

• Address hazardous alcohol use as part of treatment.

• Combine psychotherapy, lifestyle modification, and antidepressant medication when clinically appropriate.

• Ensure regular follow-up to monitor treatment response and prevent relapse.

Frequently Asked Questions

What is the most likely diagnosis for Jerome?

Jerome most likely has recurrent depressive symptoms associated with anxiety, insomnia, occupational stress, and increased alcohol use. However, additional clinical assessment is required to determine whether he meets the full DSM-5-TR diagnostic criteria for Major Depressive Disorder.

Which screening tool is recommended for depression in primary care?

The Patient Health Questionnaire-9 (PHQ-9) is one of the most widely recommended screening instruments because it evaluates depression severity, supports diagnosis, and helps monitor treatment progress.

Why should alcohol use be assessed in patients with depression?

Alcohol can worsen depressive symptoms, disrupt sleep, reduce the effectiveness of antidepressants, and increase suicide risk. Screening for alcohol misuse is therefore an essential component of comprehensive depression assessment.

Should laboratory testing be performed before diagnosing depression?

Yes. Laboratory investigations help identify medical conditions such as hypothyroidism, anemia, vitamin deficiencies, diabetes, liver disease, and other disorders that may produce symptoms similar to depression.

Why is suicide risk assessment necessary even when a patient denies suicidal thoughts?

Some patients may initially withhold suicidal thoughts because of fear, stigma, or uncertainty. Routine suicide risk assessment improves patient safety by identifying hidden risk factors and allowing timely intervention.

Conclusion

Depression frequently presents with fatigue, persistent low mood, poor motivation, and sleep disturbances, but these symptoms should never be evaluated in isolation. Jerome’s presentation highlights the importance of combining a thorough biopsychosocial assessment with validated screening tools, suicide risk evaluation, and investigation of potential medical causes before confirming a diagnosis. An individualized treatment plan that integrates psychotherapy, pharmacologic therapy when indicated, lifestyle modification, and regular follow-up offers the greatest opportunity for symptom improvement, relapse prevention, and long-term recovery.

References

American Psychiatric Association. (2022). Diagnostic and statistical manual of mental disorders (5th ed., text rev.; DSM-5-TR). American Psychiatric Association Publishing. https://doi.org/10.1176/appi.books.9780890425787

Aziz, R., Dunphy, L., & Bulfin, S. (2019). Mood disorders. In L. Dunphy, J. Winland-Brown, B. O. Porter, & D. J. Thomas (Eds.), Primary care: The art and science of advanced practice nursing—An interprofessional approach (5th ed., pp. 1100–1128). F.A. Davis.

Cook, M., & Wolz, A. (2018). Depression. In J. C. Cash & C. A. Glass (Eds.), Family practice guidelines (5th ed.). Springer Publishing. https://www.springerpub.com/family-practice-guidelines-9780826179463.html

NU566 Unit 10 Discussion

Maurer, D. M., Raymond, T. J., & Davis, B. N. (2018). Depression: Screening and diagnosis. American Family Physician, 98(8), 508–515. https://www.aafp.org/pubs/afp/issues/2018/1015/p508.html

U.S. Preventive Services Task Force. (2023). Screening for depression and suicide risk in adults: US Preventive Services Task Force recommendation statement. JAMA, 329(23), 2057–2067. https://jamanetwork.com/journals/jama/fullarticle/2806228