anxiety and stress disorders Flashcards

1
Q

what is normal fear?

A

emotional reaction to a real, external threat perceived as painful, dangerous, or harmful
- Focused on a specific stimulus
- Relatively short duration
- Geared towards the present
- Goal → get away from or eliminate the threat

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2
Q

what is anxiety

A

apprehension, nervousness, or dread associated with an anticipated event or an unknown, vague stimulus
* Broadly aimed at a nonspecific stimulus
* Relatively long duration
* Geared towards the future
* Goal - use caution to avoid possible negative future outcomes

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3
Q

When is anxiety pathologic?

A
  1. Present without an obvious or reasonable cause
  2. Excessive and out-of-proportion to actual threat
  3. Causes distress, functional impairment, and/or reduced quality of life
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4
Q

Individuals with anxiety disorders have been shown to often have maladaptive cognition, including:

A

1. Judgement biases
- Interpreting situations in a threatening manner
- Overestimating the likelihood of negative events
2. Attentive biases
- Overreacting to threatening stimuli
3. Avoidant behaviors
- Excessive preparation
- Checking behaviors
- Procrastination
4. Low self-confidence in problem solving skills

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5
Q

____ are oriented toward identifying how thoughts influence behaviors and perception of outcomes

A

Cognitive-based therapies

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6
Q

what is Cognitive Restructuring

A
  1. Identifying negative thoughts
  2. Challenging negative thoughts
  3. Replacing negative thoughts with realistic thoughts
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7
Q

3 stress managements

A
  1. Time management techniques
    - To-do lists, schedules, organization
  2. Relaxation techniques
    - Yoga, meditation, exercise, deep breathing, biofeedback, muscle relaxation
  3. Social support systems
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8
Q

3 exposure therapies

A
  1. Desensitization - exposing patients in small doses that gradually become more intense
    - taught relaxation techniques
  2. Modeling - patient observes other individuals who are around stimuli
  3. Flooding - exposed to stimulus that causes anxiety at its worst and made to use relaxation techniques to get through the experience
    - Quicker than systematic desensitization
    - May have spontaneous relapses
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9
Q

short term medications for anxiety disorders

A
  1. Benzodiazepines (BZDs)
  2. Hydroxyzine

Short-Term/PRN Therapy

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10
Q

what are the long-term medications

A
  1. First-Line - SSRIs, SNRIs
  2. Second-Line - Buspirone, TCAs, BZDs, antipsychotics
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11
Q

what medication enhances the effect of GABA at the GABA receptor

A

Benzodiazepines

benzos, BZDs

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12
Q

uses for benzos

A
  1. anxiety
  2. panic
  3. insomnia
  4. ETOH withdrawal
  5. agitation
  6. seizures
  7. procedural sedation
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13
Q

SE of benzos

A
  1. drowsiness, dizziness
  2. decreased motor coordination
  3. decreased libido
  4. disinhibition
  5. rebound anxiety
  6. amnesia
  7. suicidal ideation
    8. Risk for dependence and withdrawal
  8. Rare - respiratory depression, paradoxical effects
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14
Q

DDI of benzos

A

ETOH, opioids, and other CNS depressants, anticonvulsants, antidepressants, antifungals

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15
Q

CI for benzos

A
  • pregnancy, BZD allergy, myasthenia gravis, narrow-angle glaucoma
  • Risk for respiratory depression - COPD, sleep apnea, myasthenia gravis
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16
Q

which benzo has a high abuse potential, commonly for panics

A

Alprazolam (Xanax)
intermediate acting

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17
Q

which medication is commonly used for Procedural Sedation

A

Midazolam (Versed)

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18
Q

which drug is commonly used for insomnia

short acting

A

Triazolam (Halcion)

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19
Q

which drug is commonly used for insomnia

intermediate-acting

A

Temazepam (Restoril)

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20
Q

which drug is commonly use for alc withdrawal and anxiety

long-acting

A

chlordiazepoxide (librium)

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21
Q

which drug is commonly used for insomnia

long acting

A

flurazepam (dalmane)

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22
Q

how can you avoid dependency on benzos

A
  1. Use PRN only
  2. limited time use (1-4 weeks)
  3. Cautioning of potential for dependency,
    tolerance and addiction
  4. Avoiding use in pts with substance
    abuse (current or history of)
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23
Q

how can you avoid withdrawal from benzos

A
  1. 10-25% dose reduction per 1-2 weeks
  2. Slower taper if s/s of withdrawal - Anxiety, dysphoria, tremor, seizures
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24
Q

which medication acts as a Histamine (H1) receptor antagonist
Anxiolytic, muscle relaxant, antihistamine, antiemetic, sedating
May be helpful for insomnia due to anxiety

A

Hydroxyzine

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25
Vistaril
hydroxyzine
26
Atarax
hydroxyzine
27
SE of hydroxyzine
**drowsiness**, dizziness, dry mouth, rash, fatigue, respiratory depression
28
DDI of hydroxyzine
**potassium**, MAOIs, CNS depressants
29
CI for hydroxyzine
allergy to med 1st trimester of pregnancy, administration via SC, IV, or intra-arterial routes
30
which medication acts as a 5HT-1a receptor agonist; also acts on dopamine receptors *More effective for **cognitive anxiety s/s **than somatic s/s*
Buspirone (Buspar) ## Footnote No abuse/dependence potential, no withdrawal
31
Often used to augment SSRIs/SNRIs or in pregnant pts
Buspirone
32
this medication may by more helpful for benzo-naive patients
Buspirone ## Footnote Less anxiolytic effects than BZDs
33
SE of buspirone
1. **dizziness**, drowsiness, nausea, headache 2. Concern over potential for *Serotonin Syndrome*
34
DDI of buspirone
other psych meds, CNS depressants
35
GAD is MC in who? | epidemiology
women (2x) 35+ comorbidities - MDD, substance abuse, other anxiety disorders, chronic unexplained pain
36
criteria for GAD
1. **Excessive anxiety and worry** (apprehensive expectation) more days than not - about **multiple things** - for at least **6 months** - Patient finds it **difficult to control** 2. Anxiety/worry associated with **3+** of the following: - Restlessness or feeling keyed up/on edge - Being easily fatigued - Difficulty concentrating 3. Syndrome causes *distress* and/or *functional impairment* 4. Syndrome is *not* due to substance abuse or medical condition
37
presentation of GAD
**persistent worry** + **hyperarousal** - More worry over minor matters - Somatic s/s - muscle tension, headaches, neck and back pain
38
screenings for GAD
1. _Generalized Anxiety Disorder-7 (GAD-7)_ - **Initial screening** for GAD - Monitor severity of s/s and response to tx 2. _Beck Anxiety Inventory_ - **21-question self-reported** inventory of s/s - Can be used for GAD or other anxiety disorders - No overlap with depressive s/s
39
tx for GAD
1. First-Line - **SSRI/SNRI, CBT, or both** - BZDs - short-term for severe s/s 2. second-line - **TCAs, buspirone** - BZDs have been used for long-term tx in some patients - Mirtazapine, 5HT modulators, Pregabalin (Lyrica), 2nd gen antipsychotics 3. Adjunct - Relaxation techniques, acupuncture, exercise | Therapy continued for 6-12 months
40
intense fear or discomfort with multiple accompanying symptoms
panic attacks
41
anxiety about and/or **avoidance of situations** where *help may not be available* or leaving would be difficult if the patient were to develop incapacitating or embarrassing symptoms
Agoraphobia ## Footnote Separate diagnosis in DSM-V
42
criteria for panic attacks
1. **Abrupt surge of intense fear/discomfort that peaks within minutes** 2. Accompanied by **4+** of the following: * Palpitations, pounding heart, or accelerated heart rate * Sweating * Trembling or shaking * Sensations of shortness of breath, choking, or smothering * Chest pain or discomfort * Nausea or abdominal distress * Feeling dizzy, unsteady, lightheaded, or faint * Chills or heat sensations * Paresthesias * Derealization or depersonalization * Fear of losing control, dying, or "going crazy" 2. Recurrent unexpected panic attacks 3. **1+ attacks** have been followed by **1+ months** *of one or both* of the following: * Persistent concern or worry about additional panic attacks * or their consequences * Significant maladaptive change in behavior due to the attacks 4. Syndrome is not due to substance or medical condition 5. Syndrome is not better explained by other mental disorder * Panic attacks do not occur only in response to specific triggers
43
which psych disorder places more emphasis on physical symptoms, hx of somatization
Somatization Disorder
44
psych disorder where other psych symptoms/occurrences are more predominant
Anxiety Disorders, Depressive Disorders
45
tx for panic disorder
1. **_First-Line - CBT, SSRI, or combination_** - **Paroxetine** - *sedating effects*, can help calm patients 2. _Second-Line - SNRIs; TCAs_ 3. _Adjunct - BZDs (short-term/PRN use)_ - **Alprazolam** - FDA approved, treats panic disorder, MC for _short time to onset_ - *Risk of dependency, rebound anxiety* - **Clonazepam** - FDA-approved for panic disorder -*Less risk of rebound anxiety*, fewer doses/day - **Lorazepam** and **diazepam**
46
criteria for agoraphobia
1. Persistent (**6+ months**) of marked **fear/anxiety** about **2+** of the following: * Using public transportation * Being in open spaces (e.g., parking lots, marketplaces, bridges) * Being in enclosed places (e.g., shops, theaters, cinemas) * Standing in line or being in a crowd * Being outside of the home alone 2. Pt fears/avoids these situations due to **fear that escape might be difficult or help might not be available** in the event of developing incapacitating or embarrassing s/s 3. Syndrome causes distress or functional impairment 4. Syndrome is not better explained by another mental disorder
47
Tx for agoraphobia
SSRI, CBT, or both Current guidelines are to treat as one would for panic disorder
48
criteria for social anxiety disorder
1. Persistent (**6+ months**) of marked **fear/anxiety** about **1+ social situations** in which the pt is exposed to **possible scrutiny by others** 2. Pt fears acting in a way or showing anxiety s/s that will be negatively evaluated 3. The social situations almost always provoke fear or anxiety * In children - crying, tantrums, freezing, clinging, shrinking, failing to speak 4. The social situations are **avoided or endured with intense fear or anxiety** 5. Fear/anxiety is **out of proportion** to the actual threat posed 6. Fear/anxiety or avoidance causes **distress or functional impairment** 7. *Not* due to substance use, medical condition, or another psych disorder
49
what is the subtype for social anxiety disorder
If only related to performance and not general social interaction, may use modifier “**performance-only**” (versus “generalized”)
50
tx for social anxiety disorder
1. _Generalized Social Anxiety Disorder_ * **_First-Line - CBT, SSRI or SNRI, or both_** * May choose to augment with PRN BZD * Continue tx for at least 6-12 months 2. _Performance-Only Social Anxiety Disorder_ * **_PRN BZD_** - 30-60 min before performance * **_PRN beta-blocker_** - Propranolol 20-60 mg, 30-60 min before performance 3. May augment with relaxation techniques
51
how does acute stress disorder differ from PTSD
in timing of onset and duration
52
criteria of acute stress disorder
1. Exposure to **actual or threatened death, serious injury, or sexual violation in 1+** of the following ways: * Directly **experiencing** traumatic event(s) * **Witnessing**, in person, event(s) as it occurred to others * Learning that event(s) occurred to **close family/friend** * Experiencing **repeated or extreme exposure to aversive details** of traumatic event(s) 2. **9+** of the following symptoms from any category, beginning or worsening after event(s) occurred, lasting at least **3 days - 1 month** after trauma: * **Intrusion symptoms** - **Dissociative reactions** * **Negative mood** * **Dissociative symptoms** * **Avoidance symptoms** * **Arousal symptoms**
53
tx for acute stress disorder
1. Goal - lessen stress response and reduce or prevent progression to PTSD 2. First-Line - Trauma-oriented **CBT** with incorporated exposure therapy * _Adjunct_ - short-term (~2 weeks) use of _BZDs_ in patients with severe s/s such as agitation or insomnia * May need suicide interventions and inpatient treatment * _Antidepressants_ - often limited due to time to onset of efficacy
54
depressive disorders, anxiety disorders, and substance abuse are how much more common than in the general population that experience PTSD
2-4x more common * Substance abuse - to self-medicate * Somatization disorder - 90x MC in PTSD * TBI - 60% of TBI pts also have PTSD
55
criteria for PTSD
1. Exposure to **actual or threatened death, serious injury, or sexual violation** in **1+** of the following ways: * Directly **experiencing** traumatic event(s) * **Witnessing**, in person, event(s) as it occurred to others * Learning that event(s) occurred to **close family/friend** * Experiencing **repeated or extreme exposure to aversive details** of traumatic event(s) 2. **1+ intrusion symptoms** associated with the trauma, beginning after trauma, lasting **1+ month:** * Recurrent, involuntary, and intrusive distressing **memories** of trauma * Recurrent distressing **dreams** related to the trauma * **Dissociative reactions** in which the individual feels or acts as if the trauma were recurring (e.g., flashbacks) * **Psychological distress and/or physiological reactions to cues** (internal or external) that symbolize or resemble the trauma 3. **Alterations in arousal/reactivity** associated with trauma, beginning or worsening after trauma, lasting **1+ months**, as evidenced by **2+** of the following: - Irritable behavior and angry outbursts - Reckless or self-destructive behavior - Hypervigilance - Exaggerated startle response - Problems with concentration - Sleep disturbance 4. Persistent avoidance of stimuli associated with trauma, beginning after trauma and lasting 1+ months, as evidenced by one or both of: - Efforts to avoid distressing memories, thoughts, or feelings about the trauma - Efforts to avoid external reminders that arouse memories, thoughts, or feelings about the trauma 5. Negative changes in cognition/mood, associated with trauma, beginning or worsening after trauma, lasting 1+ months, as evidenced by 2+ of: - Inability to remember an important aspect of the trauma - Exaggerated negative beliefs about oneself, others, or the world - Distorted thoughts about the cause or consequences of the trauma that lead the pt to blame himself/herself or others - Persistent negative emotional state - Markedly diminished interest or participation in significant activities - Feelings of detachment or estrangement from others - Persistent inability to experience positive emotions
56
tx for PTSD
1. First-Line -**_Trauma-oriented CBT_** with exposure therapies * Psychotherapy or combination often preferred over pharmacotherapy alone...but not always easy to implement 2. Medications - **SSRIs or SNRIs** * _Atypical antipsychotics_ - refractory cases * _Prazosin (Minipress)_ - α1-adrenergic blocker - insomnia * _BZDs_ - severe agitation, hyperarousal
57
Characterized by the presence of pathologic obsessions, compulsions, or both Time-consuming and distressing Cause functional impairment
Obsessive compulsive disorder Most patients suffer from both obsessions and compulsions Many patients recognize their thoughts and behaviors are abnormal and take avoidant actions to hide them
58
recurrent intrusive unwanted thoughts, images, or urges that typically cause anxiety or distress
Obsessions - mental event
59
repetitive acts that pt feels driven to perform, either due to an obsession or according to rules that he/she believes must be applied rigidly
Compulsions - behavioral event | Not rationally connected or act is clearly excessive
60
what are the MC obsessions/compulsions
1. Cleaning - fears of contamination; cleaning rituals 2. Symmetry - symmetry obsessions; repeating, ordering, and counting compulsions 3. Forbidden or taboo thoughts - Aggressive, sexual, and religious obsessions; related compulsions 4. Harm - thoughts about harm befalling oneself or others; checking and precautionary compulsions
61
degrees of insight into illness (OCD)
1. _Good or fair insight_ - recognizes OCD beliefs are definitely or probably not true, or that they may or may not be true 2. _Poor insight_ - thinks OCD beliefs are probably true 3. _Absent insight/delusional beliefs_ - completely convinced that OCD beliefs are true
62
tx for OCD
1. First-Line - **CBT with exposure therapy, SSRI, or combination** * Psychotherapy preferred for OCD alone * Due to high rate of comorbid psych disorders - using SSRI is often beneficial 2. often need higher maintenance doses of SSRI therapy 3. If no response to SSRI - may try other SSRI or SNRI
63
intense, irrational fear of a particular object or situation May be triggered by: Anticipation of stimulus Actual exposure to stimulus Non-stimulus reminders
phobia
64
criteria for phobia
1. Persistent (**6+ months**) of marked fear/anxiety about a specific object or situation 2. Phobic object/situation **almost always causes** immediate fear/anxiety 3. Phobic object/situation is actively **avoided or endured with intense fear or anxiety** 4. Fear/anxiety is **out of proportion**to the actual danger posed by object/situation 5. Fear/anxiety or avoidance causes **distress or functional impairment** 6. Syndrome is not better explained by another mental disorder
65
tx for phobia
1. _First-Line_ - **CBT with exposure therapy** 2. Second-Line: _Infrequently Encountered Stimulus_ - **PRN treatment with BZD** 3. Second-Line: _Frequently Encountered Stimulus_ - **SSRI, SNRI**
66
which intermediate-acting benzo is indicated for Insomnia, ETOH withdrawal
Oxazepam (Serax)
67
which intermediate-acting benzo is indicated for Anxiety, Seizures, Agitation, ETOH withdrawal, Insomnia, Procedural sedation
Lorazepam (Ativan)
68
which intermediate-acting benzo is indicated for Panic, Anxiety, Seizures, Tremor, RLS, Insomnia
Clonazepam (Klonopin)
69
which LA benzo is indicated for anxiety, seizures, agitation, EtOH withdrawal, muscle spasms, procedural sedation
diazepam (valium)