ADHD Flashcards

1
Q

Classic Triad of ADHD

A

Inattention, Impulsivity, Hyperactivity

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2
Q

Diagnostic criteria for ADHD

A

Same 18 symptoms in IV and 5. Divided into two symptom domains (inattention and hyperactivity/impulsivity). Need at least 6 symptoms for diagnoses

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3
Q

Changes in DSM-5 regarding ADHD

A

Examples added to criterion to be applicable across life span.
Cross-situational requirement is now “several symptoms”
Symptoms must have been present before age 12
Comorbid diagnosis with autism spectrum disorder is allowed
5 symptoms for Adults must be present

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4
Q

DSM Diagnostic Criteria for Inattention

A
Makes careless mistakes
Difficulty sustaining attention in tasks
Does not seem to listen when spoken to directly
Difficulty following instructions
Difficulty organizing tasks
Avoids tasks that require sustained mental effort
Easily distracted by extraneous stimuli
Often forgetful in daily activity
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5
Q

DSM Diagnostic Criteria for Hyperactivity/Impulsivity

A
Fidgets
Leades seat
Runs or climbs excessively
Talks excessively
Difficulty waiting turn
Interrupts or intrudes on others
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6
Q

DSM Functional Criteria

A

6 of 9 symptoms in either or both categories
Inattentive; Hyperactive-Impulsive, or combined type
Persistent for at least 6 months
Some symptoms prior to age 12
Impairment in 2 or more settings
Social/academic/occupational impairment

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7
Q

Overlap of symptoms and diagnoses

A

ADHD is exhibits same symptoms as anxiety and some symtoms as LD and ODD

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8
Q

Differential Diagnosis (Psychiatric)

A
Mood and/or Psychotic Disorder
Anxiety Disorder
Learning disorder
Mental Retardation/Borderline IQ
ODD
Pervasive Developmental Disorder
Substance Abuse
Axis II Disorders
Psychosocial Cx
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9
Q

Differential Diagnosis (Medical)

A
Seizure Disorder
Chronic Otitis Media
Hyperthyroidism
Sleep Apnea
Drug-Induced Inattentional Syndrome
Head Injury
Hepatic Illness
Toxic Exposure
Narcolepsy
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10
Q

Epidemiology

A
  • Most common diagnosed behavioral disorder of childhood (1/20)
  • 3-7% of school kids
  • 2-9:1
  • Girls show less hyperactivity, conduct problems, and less externalizing behavior
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11
Q

Epidemiology

A
  • 30-50% of cases persist past 15 years
  • strong predictor of poor prognosis is pre-pubertal aggression
  • over 80% of psychotropics are Rx by primary care providers
  • outpatient inc from 1.6-4.2 million from ‘90-‘93
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12
Q

World Wide prevalence of ADHD

A

is 3-7%

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13
Q

ADHD is familial

A

sibling inc 2-5x

parents 3-5x inc

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14
Q

Co-morbidity of ADHD

A

2/3 of children present 1 or more cormbid axis I disorders (anxiety, odd, ld etc)

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15
Q

Adolescents w/ ADHD Rx have (higher or lower) rates of substance abuse than untreated

A

Lower

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16
Q

ADHD Outcomes

A
  • lower grades
  • higher expel rates
  • worse on exec function tests
  • fewer friends
  • lower self-esteem
  • higher arrest rates
  • lower occupational rank
  • higher termination rates
17
Q

Natural History

A

1/3 -> complete resolution
1/3 -> continue inattention, some impulsivity
1/3 -> early ODD, poor academic achievement, substance abuse, antisocial disorder

18
Q

Age Related changes

A

preschool- hyperactive impuslive
school - combination symptoms
adolescence - more inattention w/ restlessness
adult - largely inattention w/ periodic impulsivity

19
Q

ADHD (Striatum, posterior brain regions) Larger or Smaller?

A

Smaller (Correlates with severity of ADHD)

20
Q

Specific Genes

A

-Thyroid receptor
-Dopamine Transport gene
Dopamine Receptor D4 gene

21
Q

DAT Dysfunction

A

Increased reuptake of dopamine via DAT results in hypodopaminergic state (not enough)

22
Q

Potential Non-genetic causes

A
Perinatal stress
Low birth weight
traumatic brain injury
smoking during pregnancy
severe deprivation
23
Q

Executive Functioning

A
  • response inhibition
  • vigilance
  • working memory
  • difficulty with planning
24
Q

Establishing a Convincing Diagnosis

A

No single test to identify ADHD

  • Continous Performance Tests (TOVA, CPT, Gordon Computerized Diagnosis System)
  • Must be multi-factorial
25
Q

Clinical Interview (ADHD)

A
  • Diagnostic assessment of primary complaints
  • review of psychiatric systems
  • medical, psychiatric, and developmental history
  • detailed educational and social history
26
Q

Collateral Interviews (ADHD)

A
  • Patient
  • Primary caregivers
  • Teachers
  • School counselors
  • Sunday school teachers
27
Q

“Some” symptoms

A
  • by age 7 years

- Symptoms must be in multiple settings

28
Q

Rating Scales

A
  • Snap IV
  • Conners
  • ACTeRS
  • Child Behavior Checklist
  • ADHD Rating Scale -IV
29
Q

Treatment Trial

A
  • Risk of adverse effects is signficant
  • Not necessarily “diagnostic” even if effective
  • 2-3 treatments should be used before deemed non-responder
30
Q

Latino and black children are (more/less) likely to be diagnosed with ADHD by parent report than white children

A

less

31
Q

Black children are (more/less) less likely to receive stimulants than white children

A

less