Anxiety Disorders Flashcards
(43 cards)
Anxiety
Definition
-
A diffuse, unpleasant, vague sense of apprehension often accompanied by autonomic sx
- Palpitations, tightness in chest, sweating, muscle tension, diarrhea, tingling in extremities
- One of the most prominent sx of psychological discomfort
- “Anxiety” has played a central role in psychodynamic theory
- Most behavior theorist have focused on therapies for reducing anxiety
Physiological Role of Anxiety
- Anxiety is an alerting signal which warns of impending danger
- Important for survival & evolution
- Fear is a response to a known, external, definite, or nonconflictual threat
- Anxiety can be adaptive
Yerkes‐Dodson Curve
The relation of strength of stimulus to rapidity of habit‐formation.

Theories of Anxiety
- Is anxiety peripheral in origin or is it central?
- James-Lange: Anxiety is bottom-up (peripheral)
- Cannon-Bard: Emphasis on roles and beliefs in development of anxiety (central)
-
Psychoanalytical Theories:
- Anxiety was described by Freud to be a signal of threat to the ego
- These signals are solicited because current events have similarities, actual or symbolic, to threatening developmental experiences
- Repression is most common defense mechanism against threats to ego.
- When repression doesn’t work, anxiety occurs
-
Behavioral Theories:
- Classical Conditioning
- Social Learning
- Cognitive Theories
-
Existential Theories
- Living in a purposeless universe w/ anxiety being a response to the perceived void in existence and meaning
- Biological Theories

Anxiety Disorders
Features
-
Common feature of all anxiety disorders:
- Marked fear and anxiety
- Specific thoughts associated w/ these sx
- Sx are disproportionate and persistent
- There is distress and impairment
- Anxiety disorders differ from each other in the types of situations that induce fear, anxiety, or avoidance behavior and the associated cognitive ideation
Psychiatric Illnesses
Associated w/ Anxiety
- Mood disorders
- Schizophrenia
- OCD
- Stress‐related disorders
- Dissociative disorders
- Eating disorders
- Somatic Symptom disorders
Anxiety Disorders
Epidemiology
- Anxiety and related disorders are among the most common psychiatric disorders
- Lifetime prevalence rates as high as 31%
- 12‐month prevalence rates of about 18%
- Significant costs in terms of healthcare use, loss of workforce productivity, disability, and quality of life
- Most patients w/ Anxiety Disorders present to their PCP
- Detection of anxiety disorders often poor
- Effective management for each of the anxiety disorders is available, but currently underused, leaving patients in a less‐than‐optimally treated state
DSM 5:
Anxiety and Associated Disorders

DSM‐5:
Anxiety Disorders
- Separation Anxiety Disorder
- Selective Mutism
- Specific Phobia
- Social Anxiety Disorder (Social Phobia)
- Panic Disorder
- Agoraphobia
- Generalized Anxiety Disorder
Separation Anxiety Disorder
-
Seen in childhood
- Can be expressed throughout adulthood as well
- Fearful or anxious about separation from attachment figures to a degree that is developmentally inappropriate
- Persistent fear or anxiety about harm coming to attachment figures and events that could lead to loss of or separation from attachment figures
- Reluctance to go away from attachment figures, as well as nightmares and physical sx of distress
Selective Mutism
- Seen early on (childhood)
- Consistent failure to speak in social situations in which there is an expectation to speak (e.g., school)
- Individual speaks in other situations
- Failure to speak has significant consequences on achievement in academic or occupational settings or otherwise interferes w/ normal social communication
Specific Phobia
-
Fearful, anxious about, or avoidant of circumscribed objects or situations
- Almost always immediately induced by the phobic situation, to a degree that is persistent and out of proportion to the actual risk posed
- Animal; natural environment; blood‐injection‐injury; situational; and others
-
One of the most common mental disorders in the US
- ~5-10% of the population, lifetime prevalence 10%
- # 1 psychiatric d/o among women, #2 men
-
Bimodal age of onset
- Childhood peak for animal phobia, natural environment phobia, and blood‐injection‐injury phobia
- Early adulthood peak for other phobias, such as situational phobia (flying, driving over bridges…)
- Treatment: Behavior therapy, systematic desensitization
Social Anxiety Disorder
(Social Phobia)
Fearful, anxious about, or avoidant of social interactions and situations that involve the possibility of being scrutinized.
- Cognitive ideation is of being negatively evaluated by others, embarrassed, humiliated, rejected, offensive.
- Median age at onset 13 y/o, 75% between 8-15 y/o
- May have hx of other anxiety disorders, mood disorders, substance‐related disorders, and bulimia nervosa
- Treatment: psychotherapy and pharmacotherapy
- SSRIs, benzodiazepines, Venlafaxine (SNRI), Buspirone
Panic Disorder
Overview
- Recurrent unexpected panic attacks
- Persistently concerned or worried about having more panic attacks
- Changes behavior in maladaptive ways because of the panic attacks
- Panic attacks are abrupt surges of intense fear or intense discomfort
- Reach a peak within minutes
- Accompanied by physical and/or cognitive sx
Panic Attack
Symptoms
- Palpitations, pounding heart, or accelerated heart rate
- Sweating
- Trembling or shaking
- Sensations of SOB or smothering
- Feelings of choking
- Chest pain or discomfort
- Nausea or abdominal distress
- Feeling dizzy, unsteady, light‐headed, or faint
- Chills or heat sensations
- Paresthesias
- Derealization (feelings of unreality) or depersonalization (being detached from one‐self)
- Fear of losing control or “going crazy”
- Fear of dying
Panic Disorder
Course
- Onset in late adolescence or early adulthood
- Increased psychosocial stressors implicated w/ onset
- Generally a chronic disorder
-
Course is variable
- 30-40% of pts seem to be sx free at long‐term follow‐up
- 50% have sx that are sufficiently mild enough not to affect their lives significantly
- 10-20% continue to have significant sx
Panic Disorder
Comorbidities
- Depression (40-80%)
- Increased risk for suicide
- Alcohol and other substance dependence (20-40%)
- OCD
Panic Disorder
Differential Diagnosis
- Cardiovascular: MI, Angina, arrhythmias, anemia, MVP
- Pulmonary: Asthma, PE, COPD
- Neuro: CVA, Epilepsy, Migraine
- Endocrine: Hypoglycemia, Hyperthyroidism, Pheochromocytoma
Panic Disorder
Treatment
-
Pharmacotherapy
- Alprazolam and paroxetine
- Superiority of SSRIs and clomipramine over benzodiazepines, MAOIs, and TCAs
- Cognitive‐behavioral therapy
- Family and group therapy
Agoraphobia
Characteristics
-
Fearful and anxious about two or more of the following situations:
- Using public transportation
- Being in open spaces
- Being in enclosed places
- Standing in line or being in a crowd
- Being outside of the home alone in other situations
- Fears that escape might be difficult or help might not be available in the event of developing panic‐like sx or other incapacitating or embarrassing sx
- Almost always induce fear or anxiety and are often avoided or require the presence of a companion
Agoraphobia
Epidemiology
- ⅔ of all cases start before the age of 35
- Women > Men
-
Panic attacks and Panic Disorder precede Agoraphobia in 50% of cases.
- Treatment of Panic Disorder improves Agoraphobia
- Course of agoraphobia without panic disorder is persistent and chronic
- Complete remission is rare (< 10%) without treatment
Agoraphobia
Treatment
- Benzodiazepines
- SSRI’s
- TCA & MAOI
-
Psychotherapy
- Behavior Therapy
- Cognitive Therapy
- Insight Oriented Psychotherapy
- Virtual Therapy
Generalized Anxiety Disorder (GAD)
Definition
Persistent and excessive anxiety and worry about various domains, including work and school performance, that the individual finds difficult to control.
Individual experiences physical sx:
- Restlessness or feeling keyed up or on edge
- Being easily fatigued
- Difficulty concentrating or mind going blank
- Irritability
- Muscle tension
- Sleep disturbance
Generalized Anxiety Disorder (GAD)
Course
- Median age of onset: 30 y/o
- Starts later than most other anxiety disorders
- More prevalent in people of European decent as compared to Asians, Hispanics, AA
- Two thirds of patients are females
- Chronic course w/ remissions and relapses
- Worry tends to be age appropriate