Attention-Deficit/ Hyperactivity Disorder (ADHD) based on Nelsons Flashcards
What is ADHD and how is it characterized?
ADHD is a common neurobehavioral disorder characterized by inattention, impulsivity, and hyperactivity.
What are the DSM-5 diagnostic criteria for ADHD?
A persistent pattern of inattention and/or hyperactivity-impulsivity interfering with functioning or development for ≥6 months, present in at least 2 settings, and causing significant impairment.
How does ICD-11 differ from DSM-5 in ADHD criteria?
ICD-11 describes ADHD features but does not specify age of onset, duration, or a minimum number of symptoms.
What is the prevalence of ADHD worldwide?
5–10% of school-age children are affected.
What is the male-to-female ratio for ADHD presentations?
4:1 for hyperactive-impulsive presentation and 2:1 for inattentive presentation.
What coexisting conditions are common in children with ADHD?
Learning disabilities, mood disorders, and language disorders.
What is the heritability of ADHD based on twin studies?
70–80%.
What structural brain abnormalities are associated with ADHD?
Dysregulation of frontal-subcortical circuits, smaller cortical volumes, and abnormalities in the cerebellum.
How do dopamine and norepinephrine play a role in ADHD?
Dopamine transporter density is increased, reducing dopamine availability; stimulant medications increase dopamine and norepinephrine at the synapse.
What environmental factors increase the risk for ADHD?
Prenatal tobacco or alcohol exposure, prematurity, and maternal mental illness.
What are the DSM-5 ADHD presentations?
Predominantly inattentive, predominantly hyperactive-impulsive, and combined presentations.
What are the minimum symptom criteria for ADHD according to DSM-5?
At least 6 inattentive symptoms and/or 6 hyperactive-impulsive symptoms.
At what age should ADHD symptoms begin to meet DSM-5 criteria?
Before age 12 years.
In how many settings must ADHD symptoms be present?
In at least two settings, such as home and school.
What types of symptoms are common in ADHD for preschool children?
Motor restlessness and aggressive or disruptive behaviors.
What ADHD symptoms tend to persist into adolescence and adulthood?
Impulsivity and inattention.
Which ADHD presentation is more common in females?
Predominantly inattentive presentation.
What symptoms are typically associated with ADHD in females?
Internalizing symptoms like anxiety and low mood.
What information is gathered during an ADHD clinical evaluation?
Developmental history, school performance, social skills, mood, sleep patterns, and family history.
What tools are used to collect information about ADHD symptoms?
Behavior rating scales from parents, teachers, and other caregivers.
What comorbidities should be screened during an ADHD evaluation?
Mental health symptoms, neurodevelopmental or learning problems, and medical history.
What physical assessments are important in ADHD evaluation?
Baseline height, weight, blood pressure, pulse, and motor coordination.
How does ADHD affect academic and social functioning?
ADHD may lead to academic underachievement, interpersonal problems, and low self-esteem.
What long-term risks are associated with untreated ADHD?
Underemployment, social dysfunction, substance abuse, and increased risk of accidents or suicide.
What role does maternal mental illness play in ADHD risk?
Underlying maternal mental illness, rather than treatment, increases the risk for ADHD in offspring.
What dietary factors might affect ADHD symptoms?
Diet is not generally a cause, but a small subset of children may be sensitive to certain foods or additives.
How is ADHD severity categorized?
Mild, moderate, or severe, based on symptom intensity and functional impairment.
What are the common ADHD presentations in older adolescents and adults?
Disorganized, distractible, and inattentive behaviors.
What are the common coexisting conditions in adults with ADHD?
Mood disorders, anxiety, and substance use disorders.
What is the recommended minimum age for initiating ADHD evaluation?
Age 4 years.
What are the goals of ADHD treatment?
Improve functioning, address coexisting conditions, and optimize the child’s strengths and resources.
What is the purpose of behavior rating scales in ADHD assessment?
Behavior rating scales help elicit information about ADHD symptoms across contexts (home and school) and assess functional impairment.
What are the two types of Vanderbilt ADHD Rating Scales?
Parent and teacher versions.
What specific ADHD symptoms does the Vanderbilt ADHD Rating Scale assess?
Inattention and hyperactivity/impulsivity, corresponding to DSM-5 criteria.