ADHD Flashcards

1
Q

what are the triad of difficulties in ADHD

A

inattention
hyperactivity
impulsivity

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2
Q

what is needed for a diagnosis of ADHD

A

triad of difficulties:

  • inattention
  • hyperactivity
  • impulsivity

frequently occur with a cluster of impairing symptoms relating to self regulation (executive functioning, emotional regulation)

these must be:

  • developmentally inappropriate
  • impairing functioning
  • pervasive across settings (home, school, work, etc)
  • longstanding from the age of 5
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3
Q

what if school is a problem but child is fine at home

A

could be learning difficulty/ bullying etc

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4
Q

what is a child with ADHD typically like

A

daydreamy
cant keep focus
lots of energy
impuslive

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5
Q

how does adult ADHD differ from child ADHD

A

less obvious symptoms of hyperactivity/ impulsivity

more symptoms of inattention

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6
Q

what is the impact of childhood ADHD

A

parenting difficulties
increase home stress, high expressed emotions
emotional dysregulation - difficulties in peer relationships and reckless and dangerous behaviour
poor problem solving ability - inappropriate decision making
barrier to learning and exclusion from education

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7
Q

what is the impact of adult ADHD

A

increase psychiatric comorbidities
higher levels of criminality, antisocial behaviour
higher substance abuse
occupational impairments

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8
Q

why do most adults with childhood ADHD present with residual symptoms that no longer meet diagnostic criteria

A

possible improvement in cortical thickness (maturation) that allows for the brain to compensate for cognitive deficits

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9
Q

what causes ADHD

A
genetic predisposition
\+ 
perinatal precipitants 
\+
psychosocial adversity 

cause neuroanatomical brain changes which lead to the cognitive and behavioural features of ADHD

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10
Q

what genes in ADHD

A

dopamine and serotonin transporter genes

60% increased in offspring if parents have ADHD

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11
Q

what are the perinatal factors in ADHD aetiology

A

tobacco and alcohol
foetal alcohol syndrome, illicit substances
significant prematurity ad perinatal hypoxia
unsually short/ long labour, foetal distress, low forceps delivery, eclampsia

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12
Q

what are the psychosocial adversities linked to causing ADHD

A
inconsistent parenting styles 
severe martial discord
low social class 
large family 
paternal criminality 
maternal mental disorder 
maltreatment
emotional disorder
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13
Q

what is the neurobiology of ADHD

A

under active function within the frontal lobe

excessive (higher concentration of dopamine transporters) dopamine removal system

reduced noreopinephrine and serotonin

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14
Q

what is the frontal lobe responsible for

A
reasoning 
planning 
impulse control 
judgement 
initiation of actions 
social/ sexual behaviour long term memory
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15
Q

how do you asses child ADHD

A

usually school observation
screening questionnaires
background info- risk factors, developmental Hx, family Hx

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16
Q

how do you assess adult ADHD

A

historical concerns from close ones
screening tools
current symptoms consistent with ADHD
cognitive difficulties and ability to function evaluated

17
Q

what is the diagnostic criteria for childhood ADHD

A

6 or more symptoms of inattentiveness and/ or
6 or more symptoms of hyperactivity and impulsiveness
present before age of 5
reported by parents, school and seen in clinic
symptoms get in way of daily life

18
Q

what is the diagnostic criteria for adult ADHD

A

5 or more symptoms of inattentiveness and/ or
5 or more of hyperactivity and impulsiveness
historical concerns since early age

19
Q

what is essential for a diagnosis of adult ADHD

A

that symptoms have a moderate effect of different areas of their life:

  • underachieving in work/ education
  • driving dangerously
  • difficulty making/ keeping friends
  • difficulty in relationships with partners
20
Q

what are the psychosocial interventions for ADHD

A
for mild-severe in children 
parent training 
social skills training 
sleep and diet (controversial)
behavioural classroom management strategies 
specific educational interventions
21
Q

what are the pharmacological treatment for ADHD

A
only for mod- severe 
1st Line (stimulants) 
Methylphenidate 
Dexamfetamine
Lisdexamfetamine
2nd Line (SNRI)
Atomoxetine

3rd Line (alpha agonist)
Clonidine
Guanfacine

4th Line
Antidepressants (imipramine)
Antipsychotics (Risperidone)

22
Q

how does methylphenidate (stimulant work)

A

increases dopamine by blocking its transporter:

improves alertness, working memory, motivation and clarity

23
Q

how does dexamphetamine (stimulant) work

A

increases dopamine by blocking its transporter

also increases norepinephrine and serotonin

24
Q

what does increasing norepinephrine and serotonin do for ADHD

A

norepinephrine- concentration
serotonin- satisfaction

together- intuition, balanced mood

25
Q

how do SNRIs work in ADHD

A

increase norepinephrine