Psychiatry Flashcards
What are the symptoms of anxiety?
Brain and mind - dizziness, depersonalisation, fear of passing out / death / going mad
General - chills, flushing, tingling, numbness, pins and needles
Chest and abdo - SOB, choking, chest pain, nausea, stomach churning
Autonomic - palpitations, sweats, shakes, dry mouth
What is generalised anxiety disorder?
Generalised persistent excessive anxiety or worry about a number of events the individual finds difficult to control, lasting more days for at least 3 weeks.
What are the symptoms of GAD?
Anxiety Subjective apprehension Increased vigilance Feeling restless and on edge Sleeping difficulties Motor tension - tremor, hyperactive deep reflexes Autonomic hyperactivity
What are the differentials of GAD?
Panic disorder, social phobia, OCD, PTSD Withdrawal from drugs or alcohol Excessive caffeine consumption Depression Psychotic disorders Organic causes - thyrotoxicosis, parathyroid disease, hypoglycaemia, phaeochromocytoma, carcinoid syndrome
How can generalised anxiety disorder be treated?
Individual guided self help and psychoeducational groups CBT or applied relaxation SSRIs or SNRIs Pregabalin is 2nd line Benzodiazepine if acute crisis
What is panic disorder?
Recurrent unpredictable severe panic attacks that aren’t restricted to any particular situations
What are panic attacks?
Discrete periods of intense fear, impending doom or discomfort accompanied by sudden onset of characteristic symptoms
What are the symptoms of a panic attack?
Crescendo of fear and autonomic symptoms Palpitations, tachycardia Sweating, trembling, breathlessness Feeling of choking Chest pain / discomfort Nausea / abdo discomfort Dizziness, paraesthesia Chills and hot flushes Derealisation / depersonalisation Fear of losing control or dying
What are the differentials of panic disorder?
Agoraphobia Specific phobia Social anxiety disorder PTSD Substance induced anxiety disorder
What is the treatment for panic disorders?
SSRIs and CBT
TCA (imipramine and clomipramine) if SSRIs are ineffective
What is PTSD?
Onset within 6 months of severe stressful experience that is of an exceptionally threatening or catastrophic nature
What are the clinical features of PTSD?
Persistent intrusive thinking or re-experiencing trauma
Avoidance of situations reminding of trauma
Numbing, detachment and estrangement from others
Irritability, hyper vigilance, exaggerated startle response
Increased arousal with autonomic symptoms
Insomnia
What are the differentials of PTSD?
Depression Specific phobia Panic disorder Adjustment disorder Psychosis
What is the treatment for PTSD?
Eye movement densensitisation and reprocessing (EMDR)
Venlafaxine or SSRI e.g. paroxetine
Antipsychotics e.g. mirtazapine along with psychological therapies
What is social phobia?
Persistent fear of social situations in which individual is exposed to unfamiliar people or to possible scrutiny b others and fears they will be humiliated or embarrassed
What are the differentials of social phobia?
Phobias Panic disorder Agoraphobia GAD PTSD Hyperthyroidism
What is the treatment for social phobia?
CBT
Self-help
Graded self exposure
Drugs - SSRI e.g. escitalopram or sertraline
What is agoraphobia?
Fear of open spaces, crowds, difficulty escaping.
Fear of entering shops, public places and travelling alone
More common in women
Treat with graded exposure therapy
What is OCD?
Time consuming recurrent obsessions and/or compulsions present more days for at least 2 weeks, are distressing and interfere with activities
What is an obsession?
Unwelcome, persistent, recurrent, intrusive thought.
Ideas, images, impulses
Senseless and uncomfortable for the individual who attempts to suppress or neutralise them and recognises them as absurd and a product of their own mind
What is a compulsion?
Repetitive, purposeful, physical or mental behaviours performed with reluctance in response to an obsession
What is the epidemiology of OCD?
Onset during adolescence
Lifetime prevalence of 2-3%
Men and women equally affected
What is the aetiology of OCD?
Family history of OCD, tics or Tourettes syndrome
Parental overprotection
Biochemical abnormalities involving serotonin
Abnormality of cortico-striatal-thalamic circuit
How is OCD assessed?
Yale-Brown obsessive compulsive scale (YBOS)