Mental Illness Study Guide
Study Guide Quiz 4 – Mental Illness (Style A)
Lithium
Definition and Uses
- Lithium is utilized as a mood stabilizer for bipolar disorder, particularly for managing manic episodes.
Pharmacokinetics
- It takes approximately 10 days to reach its full therapeutic effect.
- Lithium is primarily excreted by the kidneys.
Therapeutic Range
- The therapeutic range for lithium is between 0.6 to 1.2 mEq/L; for acute mania, it can be higher, up to 1.5 mEq/L.
Signs of Toxicity
- Symptoms indicating lithium toxicity include:
- Nausea
- Vomiting
- Diarrhea
- Tremor
- Slurred speech
- Confusion
Prevention of Toxicity
- To prevent toxicity, it is essential for individuals to maintain a fluid intake of 2 to 3 liters daily, along with adequate sodium intake.
Major Depressive Disorder (MDD)
Definition
- MDD is characterized by a persistent depressed mood lasting at least two weeks.
Symptoms
- Common symptoms of MDD include:
- Low energy
- Changes in sleep patterns
- Changes in appetite
- Feelings of guilt
- Hopelessness
- Suicidal thoughts
Causes
- MDD may arise from an imbalance in neurotransmitters or due to situational stressors.
Treatment Options
- Treatment typically includes:
- Selective Serotonin Reuptake Inhibitors (SSRIs)
- Serotonin-Norepinephrine Reuptake Inhibitors (SNRIs)
- Monoamine Oxidase Inhibitors (MAOIs)
- Tricyclic antidepressants
- Psychotherapy
Nursing Care
- Focused on ensuring safety, providing support, and promoting realistic goal setting for patients.
Obsessive Compulsive Disorder (OCD)
Definition
- OCD is defined by the presence of recurring intrusive thoughts (obsessions) and repetitive behaviors (compulsions).
Behavioral Characteristics
- Compulsive behaviors, such as handwashing or checking, typically serve to reduce anxiety.
Treatment Options
- Effective treatments for OCD include:
- SSRIs
- Cognitive-behavioral therapy (CBT)
Nursing Approach
- Initially allow the rituals to occur, and subsequently help the patient limit these behaviors gradually.
Suicide
Definition
- Suicide is characterized by direct or indirect self-harm with the intent to die.
Risk Factors
- Factors increasing suicide risk include:
- Depression
- Post-Traumatic Stress Disorder (PTSD)
- Schizophrenia
- Substance abuse
Warning Signs
- Indications that a person may be considering suicide comprise:
- Giving away possessions
- Expressing feelings of hopelessness
- Developing a suicide plan
Nursing Care
- Essential nursing interventions include:
- One-on-one monitoring of the patient
- Removal of harmful objects from the vicinity
- Implementation of a no-suicide contract with the patient.
Alzheimer’s Disease
Overview
- Alzheimer’s Disease is the most prevalent form of dementia, characterized by gradual, irreversible memory loss and confusion.
Causes
- The disease is associated with the presence of amyloid plaques, neurofibrillary tangles, and brain shrinkage.
Risk Factors
- Identifiable risk factors include:
- Aging
- Genetic predisposition
- History of head trauma
Treatment Options
- Commonly used treatments include:
- Cholinesterase inhibitors (e.g., Donepezil)
- Memantine
Nursing Care
- Nursing care strategies focus on:
- Ensuring patient safety
- Providing orientation aids
- Offering family support.
Dementia
Definition
- Dementia is classified as a chronic progressive loss of memory and reasoning abilities.
Known Symptoms
- Symptoms may include:
- Aphasia: Difficulty in verbal communication.
- Apraxia: Difficulty in performing purposeful movements despite having normal motor functioning.
- Agnosia: Inability to recognize objects or people.
Nature of Dementia
- It is an irreversible condition; consequently, nursing care emphasizes safety, routine, and support for caregivers.
Delirium
Definition
- Delirium is described as an acute, reversible confusion with a sudden onset.
Causes
- Common causes include:
- Infections
- Medication side effects
- Metabolic imbalances
Symptoms
- Symptoms experienced may consist of:
- Confusion
- Hallucinations
- Restlessness
- Anxiety
Nursing Care
- Focused on ensuring a safe environment, providing a calm atmosphere, and addressing the underlying cause.
Anxiety / Acute Anxiety
Definition
- Characterized by feelings of unease that accompany physical symptoms like increased heart rate (HR) and muscular tension.
Impact of Anxiety Levels
- Mild levels of anxiety can enhance concentration and focus, while severe anxiety can precipitate a feeling of loss of control.
Nursing Care
- Involves establishing a calm environment, implementing relaxation techniques, and providing short, clear explanations to patients.
Panic Disorder
Definition
- Panic disorder includes sudden episodes of intense fear and panic lasting between 15 to 30 minutes.
Symptoms
- Symptoms during these episodes may include:
- Chest pain
- Shortness of breath (SOB)
- Dizziness
- Intense fear of dying
Nursing Care
- Approaches include:
- Staying with the patient during the episode
- Providing reassurance
- Teaching relaxation techniques.
Bipolar Disorder
Overview
- Bipolar disorder involves alternating between manic and depressive episodes.
Manic Symptoms
- During manic phases, symptoms typically include:
- Euphoria
- High energy levels
- Impulsive behavior
Depressive Symptoms
- Depressive episodes are characterized by feelings of:
- Fatigue
- Sadness
- Hopelessness
Treatment Options
- Management often includes:
- Lithium
- Anticonvulsants
- Antipsychotics
Nursing Care
- Focus areas include:
- Providing structure
- Monitoring lithium levels
- Ensuring patient safety.
Phobia
Definition
- Phobia is an irrational fear of specific situations or objects that leads to avoidance behavior.
Treatment Methods
- Treatment often entails:
- Desensitization strategies
- Relaxation techniques
- Cognitive therapy
Nursing Strategies
- Nurses support patients through gradual exposure and help reinforce coping techniques.
Post-Traumatic Stress Disorder (PTSD)
Definition
- PTSD is experienced following trauma and is marked by symptoms such as flashbacks, nightmares, and avoidance behaviors.
Treatment Approaches
- Common treatment modalities include:
- Cognitive Behavioral Therapy (CBT)
- Exposure therapy
- SSRIs
Nursing Care
- Nurses should encourage:
- Emotional expression
- Ensuring a sense of safety
- Identifying personal triggers for symptoms.
ECT – Electroconvulsive Therapy
Purpose
- ECT is utilized for severe depression, particularly when medications are ineffective.
Mechanism of Action
- The procedure induces a brief seizure, aiming to balance neurotransmitters in the brain.
Nursing Care Steps
- Important care protocols include:
- Obtaining signed consent
- Ensuring the patient is NPO for 6–8 hours before the procedure
- Maintaining airway during the procedure
- Providing comprehensive post-care support.
Antidepressants
Function
- Antidepressants are prescribed to improve mood by restoring balance to brain chemicals.
Types
- First-line treatments include:
- SSRIs
- SNRIs
- MAOIs require careful dietary restrictions due to potential side effects.
Patient Education
- It's crucial to inform patients that:
- Medication effects may take 2 to 4 weeks to manifest and that they should not abruptly discontinue usage.
Mental Health Status Exam
Assessment Areas
- The exam evaluates essential areas such as:
- Appearance
- Mood
- Thought process
- Cognition
- Judgment
Purpose
- The Mental Health Status Exam assists nurses in evaluating the patient’s emotional and mental functioning.
Generalized Anxiety Disorder (GAD)
Definition
- GAD is characterized by chronic excessive worry persisting for 6 months or longer.
Symptoms
- Symptoms may include:
- Fatigue
- Insomnia
- Muscular tension
- Irritability
Treatment Options
- Typical treatment strategies include:
- Therapy
- Relaxation techniques
- Anti-anxiety medications.
Apraxia
Definition
- Apraxia refers to the inability to perform purposeful movements despite having normal motor abilities.
Association with Conditions
- It is commonly observed in patients with dementia and Alzheimer’s disease.
Sundowning Syndrome / Nocturnal Delirium
Definition
- This syndrome is characterized by evening confusion and agitation frequently observed in dementia patients.
Nursing Interventions
- Effective strategies comprise:
- Maintaining adequate lighting
- Establishing a consistent routine
- Creating a calm environment to enhance safety.
Seasonal Affective Disorder (SAD)
Definition
- SAD is a form of depression triggered by reduced sunlight, particularly prevalent during the winter months.
Symptoms
- Symptoms associated with SAD may include:
- Tiredness
- Overeating
- Social withdrawal
Treatment Options
- Effective treatments can include:
- Light therapy
- SSRIs
- Regular exercise.
Discharge Planning for Anxiety
Patient Education
- Key components of discharge planning should focus on:
- Teaching coping skills
- Introducing relaxation techniques
- Ensuring adherence to prescribed medications.
Encouraging Continued Care
- Encourage participation in therapy sessions and promote healthy sleep habits.
Discharge Planning for Depression
Patient Education
- Important areas of focus during discharge include:
- Emphasizing compliance with medications
- Arranging for follow-up appointments
Encouraging Support