mood disorders

Mood Disorders

Definition of Mood

  • Mood: A person's prolonged emotional state that colors their perception of life.

Affect

  • Affect: How mood is expressed outwardly through non-verbal communications like facial expressions, voice tone, and body language.

Major Mood Disorders

Depression Disorders

  • Causes persistent sadness and loss of interest in daily activities.

    • Symptoms include:

    • Hopelessness

    • Guilt

    • Fatigue

    • Sleep disturbances

    • Appetite changes

    • Lack of concentration

  • Functional impairment: Depressive symptoms affect functioning, motivation, and activities of daily living.

  • Physiological signs: Decreased libido, crying episodes, irritability, anxiety, excessive worry, and increased somatic symptoms.

Bipolar Disorder

  • Characterized by mood swings between mania and depression.

  • Duration and frequency vary:

    • Some episodes can last days, weeks, or longer.

Epidemiology

  • Prevalence of Depression: Greater than 25% of the population will experience depression at some point in their lives.

  • Duration: Episodes can develop over days or weeks and last for months.

Theories

Causation of Mood Disorders

  • Functional deficits of neurotransmitters.

  • Genetic and biological predisposition.

  • Substance or medication effects.

  • Psychosocial factors.

Diagnosis Challenges

  • Cultural factors can make it difficult to diagnose depression.

    • Fashionable trends (e.g., wearing black) may mimic symptoms.

    • Close personal connections are important for recognizing changes.

Clinical Signs of Depression

  • Lack of motivation and ability to function socially or in work environments.

  • Changes in eating and sleeping habits.

  • Chronic depressive symptoms often masked by daily functioning.

Subtypes of Depression

Dysthymia (Persistent Depressive Disorder)

  • Defined as chronic low-level depression lasting at least two years.

Learn Helplessness

  • Individuals become desensitized to depressive symptoms, feeling that no solutions exist.

  • Example: Diabetics accustomed to high blood sugar levels struggle with changes.

Postpartum Depression

  • Occurs after childbirth with symptoms like sadness and fatigue.

  • Hormonal changes post-birth contribute significantly to symptom manifestation.

Seasonal Affective Disorder (SAD)

  • Seasonal depression triggered typically in fall and winter months.

  • Example: Residents in northern states experience heightened depression during winter due to less sunlight.

Triggers for Depressive Episodes

  • Major life losses (death, financial issues).

  • Situational stressors that ‘rock the boat’.

Therapeutic Communication

  • To help depressed individuals, it’s crucial to avoid judgment and establish supportive communication.

  • Nurses and caregivers should build trust and demonstrate that change is possible.

Key Points in Treating Mood Disorders

  • Treatment plans should involve a detailed assessment of the individual’s mood patterns and personal history.

  • Encourage checking in and being attentive to their environment and behaviors.

Bipolar Disorder

Characteristics

  • Extreme mood shifts:

    • Mania: Increased energy, potentially impulsive and dangerous behavior.

    • Depression: Low energy, feelings of hopelessness.

  • Mania versus Euphoria:

    • Euphoria: Excitement without risky behavior.

    • Mania: Irregular behaviors leading to unsafe situations (maxing out credit cards, reckless driving).

Risk Factors for Suicide

  • The highest risk occurs when individuals return to a normal state after a manic episode, as they can plan and execute suicidal thoughts clearer during this time.

Rapid Cycling and Safety Risks

  • Rapid cycling types experience frequent shifts between manic and depressive states, which can pose significant safety issues.

  • Vital for caregivers to be vigilant and ensure a structured, calm environment to prevent manic episodes from escalating.

Treatment Options for Mood Disorders

Medications

  • Antidepressants: Designed to elevate mood, energy, and concentration but take weeks to show effects.

  • Mood Stabilizers: Used specifically for bipolar disorder (e.g., lithium).

Common Classes of Antidepressants

  • SSRIs (Selective Serotonin Reuptake Inhibitors): First-line due to fewer side effects.

  • TCAs (Tricyclic Antidepressants): Older drugs with potential cardiac side effects.

  • MAOIs (Monoamine Oxidase Inhibitors): Can interact with certain foods, leading to hypertension; dietary restrictions apply (e.g., tyramine-rich foods).

Monitoring and Education

  • Educate patients on medication side effects, adherence to treatment plans, and the timeline for when medications will become effective.

  • Encourage fluid intake and monitor for signs of toxicity in medications used for treatment (e.g., lithium toxicity symptoms: tremors, nausea, confusion).

Nursing Goals with Mood Disorders

  • Focus on achieving small, manageable goals with patients to rebuild their motivation and self-esteem.

  • Regular assessments for suicidal ideation and safety precautions during manic states are imperative.

  • Provide emotional support and structure, aiding the recovery process through consistent care and monitoring.