anxiety mini med
TRANSCRIPT
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The Nature and Treatment of Anxiety Disorders
Dr. Randi McCabe
Associate Director, Anxiety Treatment & Research Centre St. Joseph’s Healthcare
Assistant Professor, Department of Psychiatry & Behavioural Sciences, McMaster University
McMaster Mini Med School
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Objectives
• Understand different anxiety disorders
• Overview of treatment strategies
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The Case of Jason S.
• 21-year-old college student referred to anxiety clinic for anxiety symptoms
• Varsity hockey player
• Applying to law school
• Stressful schedule
• Supportive relationship
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Case of Jason S. continued…
• Acute episodes of intense physical symptoms• Difficult to maintain daily activities due to
symptoms• Weight loss 10-15 lbs.• Avoidance of a range of activities and
situations (e.g., socializing, restaurants, gym)• Physical tests negative
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The Nature of Anxiety and Fear
• Normal Emotions
• Purpose
• Three Components
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Three Components of Anxiety
• Physical Feelings
• Cognition (Thoughts, Interpretations, Images)
• Behaviours
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The Physical Component
»Increased Heart Rate»Breathlessness»Dizziness»Shaking»Sweating»Unreality/Detachment»Blurred Vision»Blushing»Numbness/Tingling
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The Cognitive Component
»Anxious Thoughts»Anxious Predictions»Anxious Beliefs and Interpretations»Biases in Attention and Memory»Mental Images
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The Behavioural Component
• Avoidance of Situations and Activities• Subtle Avoidance Strategies, Safety
Signals, and Overprotective Behaviours• Alcohol, Drug, and Medication Use
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An episode of intense fear or discomfort that peaks rapidly (within 10 minutes) and in which at least 4 of the following symptoms were experienced:
• palpitations, pounding or racing heart
• sweating
• trembling or shaking
• shortness of breath or smothering sensations
• feeling of choking
• chest pain or discomfort
• nausea or abdominal distress
• feeling dizzy, unsteady, faint or lightheaded
• feeling unreal or detached
• fear of losing control or going crazy
• fear of dying
• numbness or tingling sensations
• chills or hot flushes
What is a Panic Attack?
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o Panic Disorder with or without Agoraphobia o Specific Phobiao Social Anxiety Disorder (Social Phobia)o Obsessive Compulsive Disorder (OCD)o Generalized Anxiety Disorder (GAD)o Post Traumatic Stress Disorder (PTSD)
The Anxiety Disorders
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Prevalence and Age of Onset
Avg. Onset Prevalence
Panic Disorder late-teens/ mid-30’s 1.5 -3.5%
Specific Phobia 10 -11.3%
• situational childhood/ mid-20’s• natural environment childhood/ early adult
• animal childhood
• blood/injection childhood
Social Phobia mid-teens 3 -13%
OCD 6-15 yrs M/ 20-29 yrs F 2.5%
GAD childhood/ adolescence 5%
PTSD any age 1-14%
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Recurrent, unexpected panic attacks and at least one month of:
• concern about additional attacks
• OR...worry about the implications of the attack or its consequences
• OR...a significant change in behaviour related to the attacks
Panic Disorder
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Anxiety about being in places or situations from which escape might be difficult or
embarrassing in the event of a panic attack
Examples Enclosed Places
Standing in Lines
Driving
Public Transportation
Being Alone
Crowds
Shopping Malls and Supermarkets
Agoraphobia
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Excessive fear of a specific object or situation causing significant distress or impairment
Common Specific Phobias
Animals and Insects Blood and Injections
Heights Storms or Water
Flying Enclosed Places
DrivingChokingVomiting
Specific Phobia
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Social Anxiety Disorder(Social Phobia)
Intense fear of social or performance situations causing significant distress or impairment
Common Feared Situations
Parties
Meetings
Public Speaking
Performing
Eating, Drinking, or Writing in Public
Crowded Places
Initiating and/or Maintaining Conversations
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Obsessive-Compulsive Disorder
Recurrent and persistent
Obsessions
intrusive thoughts, impulses, images
and/or
Compulsions
repetitive behaviours or mental acts
Symptoms cause marked distress or impairment
Time consuming (more than 1 hour/day)
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Obsessions Contamination Obsessions
Excessive Doubting
Need for Symmetry
Accidental Harm to Others
Aggressive Obsessions
Religious Obsessions
Accidental Harm to Others
CompulsionsChecking
Washing and Cleaning
Need to Ask or Confess
Symmetry and Precision
Hoarding
Repeating Actions or Words
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Hoarding
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Generalized Anxiety DisorderExcessive Worry About
Work
Family and Children
Health
Finances
Minor Matters
Worry occurs most days (for at least 6 months)
Difficult to control worry
Associated with disturbed sleep, irritability, restlessness, poor concentration, fatigue, muscle tension
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Posttraumatic Stress Disorder
Exposure to a traumatic event
Reaction to the event involves extreme fear
Symptoms
Reexperiencing of the trauma
Avoidance of trauma-related cues
Numbing of emotional responsiveness
Chronic overarousal
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The Case of Jason S.
• DIAGNOSIS
• Jason’s symptoms fit the profile of….
which anxiety disorder?
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Anxiety and Panic: An Integrated Causal Model
Biological Factors
Psychological Factors Environmental Factors
• genetics
• neurobiology
• sense of controllability
• conditioning (learning experiences)
• cognitions/expectancies of danger
• anxiety sensitivity
• stressful life events
• social pressures to succeed
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Cognitive Treatments
Exposure-Based Treatments
Relaxation-Based Treatments
Ritual Prevention
Applied Tension for Blood Phobia
Psychological Treatments
Biological Treatments
Medications
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Cognitive Behavioural Therapy
COGNITIVE STRATEGIES
In anxiety, thoughts revolve around:"probability overestimation”"catastrophizing the consequences”
That is people overestimate that something bad will happen, and that when it happens, they will be unable to cope.
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BEHAVIOURAL STRATEGIES
• controlled exposure to the feared situation• anxiety responses are allowed to "habituate" or decrease without interference• teaches the person that the situation is not dangerous, and that anxiety will diminish.
Cognitive Behavioural Therapy
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Medications
Selective Serotonin Re-Uptake Inhibitors (SSRIs)• Fluoxetine (Prozac)• Sertraline (Zoloft)• Paroxetine (Paxil)• Fluvoxamine (Luvox)• Citalopram (Celexa)
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Medications
Other Antidepressants• Venlafaxine (Effexor)• Imipramine (Tofranil)• Clomipramine (Anafranil) Anti-Anxiety Medications (Benzodiazepines)• Alprazolam (Xanax)• Clonazepam (Rivotril)• Lorazepam (Ativan)• Diazepam (Valium)
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"Of course you're furious over the price of your medication, Mr. Grimwald -that's one of its side effects”
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Choosing a Medication
• Research on effectiveness
• Side effect profile
• Previous response to medications
• Previous response of a family member
• Additional problems present (e.g., depression)
• Cost
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Specialty ClinicsPrivate PsychiatristsPrivate Psychologists
Family DoctorOther Mental Health Practitioners
Support GroupsSelf-Help Approaches
Treatment Options
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The Case of Jason S.
• TREATMENT
• What treatment components would we include?