anxiety (clinical) Flashcards
what part of brain decides whether we need the stress/fear response
amygdala via thalamus
what hormones are released in response to the stress/fear
cortisol (from adrenals)
adrenaline
what happens in anxiety disorder
exaggerated stress response
3 groups of symptoms of anxiety
physical
cognitive
behavioural
examples of physical symptoms
sweating trembling/tremor numbness/tingling hot flushes muscle tension dizziness/faint dry mouth dysphagia/choking SOB/palpitations nausea
examples of cognitive symptoms
loss of control on edge cant concentrate derealisation - objects aren't real depersonalization - feeling distant racing thoughts meta-worry
behavioural symptoms of anxiety
avoidance difficulty sleeping excessive use of alcohol/drugs inability to relax irritability seeking reassurance checking behaviours
what is generalised anxiety disorder
anxiety is:
generalised
persistent
excessive and inappropriate to circumstances
time frame for GAD
most days for >6 months
must cause significant distress/impairment in function
essential features of panic disorder
recurrent attacks of severe anxiety
unpredictable (not restricted to any situation) - PANIC ATTACKS (last 30-45 mins)
agoraphobia - fear of certain situations
what can trigger panic attacks
lactate
re-breathing air (increased CO2)
what part of brain is responsible for panic attacks
parahippocampal gyrus in temporal lobe
what are the 3 types of phobia
agoraphobia
social phobia
specific phobia
persistent fear of one of more social situations where patient is exposed to unfamiliar people or scrutiny
social phobia/social anxiety disorder
recurrent obsessional thoughts and/or compulsive acts which are intrusive
OCD
describe obsessional thoughts
unpleasant and intrusive
must be resisted
describe compulsive acts
repeated rituals or behaviours
patient does not enjoy these
recognise as pointless
diagnostic criteria for OCD
present for most days for at least 2 weeks
source of distress and interfering with activities
symptoms specific to social phobia
blushing
fear of vomiting
fear of being incontinent