2018 Peds Royal College Psych Flashcards
DSM-V ADHD
- Onset prior to age 12
- Must be present in 2 or more settings
- Symptoms interfere with occupational, social, academic functioning
- Does not occur exclusively during schizophrenia or psychotic disorder and not explained by a different mental health disorder
Hyperactive/Impulsive:
- Excessive fidgeting
- Difficulty remaining seated
- Feelings of restlessness or inappropriate running around
- Difficulty playing quietly
- Difficult to keep up with “always on the go”
- Excessive talking
- Difficulty waiting turns
- Blurting out answers quickly
- Interruption or intrusion of others
Inattention:
- Failure to provide close attention to detail, making careless mistakes
- Difficulty maintaining attention
- Seems to not listen, even when directly addressed
- Fails to follow through (eg. homework, chores)
- Difficulty organizing tasks, activities and belongings
- Avoids tasks that require consistent mental effort
- Loses objects
- Easily distracted by irrelevant stimuli
- Forgetfulness in routine activities
Single subtype: 6 or more features
Mixed subtype: 6 or more features in each category
Late side effect of stimulants
Depression
Differential diagnosis ADHD
- Psych
- Medical/genetic
- Learning disability
- OCD
- OSA
- Hearing impairment
- Hyperthyroid
- Autism
- Substance abuse
- Fragile X
- Intellectual disability
- Anemia
- Lead poisoning
- Medication side effect
- Metabolic disorder
- CNS infection
- Head trauma
- Neglect/abuse
- Adjustment disorder
- Food insecurity
- FASD
Management of weight loss on stimulants
- Decrease use to 5x/week
- Change to strattera
- Refer to psychiatry
Best medication for ADHD + history substance abuse A. Guanfacine B. Vyvanse C. Adderall D. Dextrin
B. Vyvanse
Psych comorbidities with ADHD
- OCD
- LD
- ODD
- CD
- ASD
- Tic disorder
You are about to put a child on stimulant medication for his ADHD. The mother asks you about the potential for increasing his potential for future drug addiction. What do you counsel her about her son’s future risk:
A. Stimulants have no effect on risk of drug addiction
B. Stimulants decrease future risk of drug addiction
C. There is an increased risk of drug addiction, but less so with the dextroamphetamines
B. Stimulants decrease future risk of drug addiction
An 11 year old girl with a maternal history of bipolar disorder has recently become irritable and restless. She is only sleeping 5 hours per night. What is her most likely diagnosis:
A. New onset of ADHD
B. Bipolar disorder
C. Marijuana abuse
B. Bipolar disorder
Which is true of ADHD?
1. teacher and parent reporting of symptoms on a checklist frequently agree 2. check for lead poisoning in each kid with ADHD 3. 25% of kids with ADHD have comorbid anxiety disorder 4. kids with ADHD often have thyroid hormone abnormalities
- 25% of kids with ADHD have comorbid anxiety disorder
DSM-V for OCD
A. Presence of obsessions, compulsions or both
Definition of obsessions:
1. Recurrent and persistent thoughts, urges or images that are intrusive and cause distress
2. Individual attempts to ignore or suppress or neutralize them with some other thought or action
Definition of compulsions:
1. Repetitive behaviours that they must perform in response to an obsession or according to rigid rules
2. The behaviours are aimed at reducing some anxiety or distress or preventing some dreaded event. The behaviours are not connected in a realistic way to what they are trying to prevent, or are clearly excessive.
B. Obsessions or compulsions are time-consuming (>1 hr/day) or cause clinically significant distress or impairment in function
C. Not attributed to a substance or medical condition
D. Not explained by another mental disorder
10 yo female with long history of handwashing 10-12 times per day. Now handwashing 100 times per day. She also has new onset eye blinking and throat clearing. She had a sore throat 2 weeks ago. What should she be treated with? A. Risperdal B. Clonidine C. Penicillin D. Dexedrine
A. Risperdal
Really, the #1 choice of medication for OCD plus tics is an SSRI - then add an atypical antipsychotic
Trichotillomania
A – is associated with OCD in older kids
B – is usually self-limiting
C – is rare
A - associated with OCD in older kids
A teenage boy is having difficulties functioning because he constantly has to watch his hands and has obsessive thoughts. Which of the following medications may help him? (MCQ 2008) 1. Amitryptiline 2. Clonazepam 3 Clozapine 4. Fluoxetine
- Fluoxetine
Define obsession, give an example
Recurrent and persistent thoughts, images or urges that are experienced as intrusive or unwanted, that the person tries to suppress or ignore
Example: contamination, aggression or violence, taboo sexual or religious thoughts
Define compulsion, give an example
A repetitive behaviour that must be performed in response to an obsession or according to strict rules, aimed at reducing some anxiety or distress that is not realistically connected to the behaviour.
Example: hand washing, checking, counting, ordering, praying
DSM-V for Autism
Social interaction/communication
- Deficits in social-emotional reciprocity
- Deficits in non-verbal communicative behaviour
- Deficits in developing, maintaining and understanding relationships
Restricted/repetitive behaviours/interests. Need 2 of:
- Stereotyped or repetitive motor movements
- Insistence on sameness, inflexibility
- Highly restricted, fixated interests
- Hyper or hypo-reactivity to sensory input or unusual interest in sensory aspects of environment
- Symptoms must be present in early developmental period
- Symptoms cause clinically significant impairment in functioning
- Not better explained by intellectual disability or GDD
Tests to order for autism
- Autism screening test
- Complete history and physical exam
- Audiology testing
- Labs: serum lead, fragile X, CGH miroarray
- Consider MRI head, EEG and metabolic testing if any indications based on history and physical
Services to consult for help diagnosing autism
- SLP
- Psychology
- Occupational or physiotherapy
Genetic disorders associated with autism
- Fragile X
- Rett
- NF-1
- Tuberous sclerosis
- Angelman
- Trisomy 21
Neurologic disorders associated with autism
- Tuberous sclerosis
- Rett syndrome
- Seizures
- NF
Screening tools and ages for autism
ITC = 9-24 months M-CHAT = 16-30 months CAST = 4-11 years
What is true about methylphenidate:
a) stimulates appetite b) no effect on growth velocity c) may exacerbate tics d) can cause dependency e) effective in 60% of children with ADD
d) can cause dependency
3 year old male talking at a 1.5 year level. No echolalia. Plays normally. Comprehension better than expression. Motor development normal. What is he at risk for?
A. PDD
B. Developmental Disorder
B. Developmental disorder
15 month who only says “ma”, stereotypical play, does not engage in social play. What is the best predictor of autism?
A. Hyperactivity
B. Hand flapping
C. Does not point to things to show interest
C. Does not point to things to show interest