Mehl. Tic 03-14 (1)

Question 1

Tourette. definition?

Answer 1

Neurologic disorder characterized by repetitive, involuntary movements and vocalizations (i.e., tics)

Question 2

Tourette.

Motor tics range from mere eye blinking, head jerking, or shoulder shrugging to more complex movements such as hopping, twirling, or even mimicking others’ actions.

Answer 2

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Question 3

Tourette. Vocal (phonic) tics include ?

Answer 3

throat clearing, sniffing, or humming.

More complex vocal tics can involve repeating words or phrases, or shouting inappropriate words (coprolalia).

Question 4

Tourette. Tx - 2 drug on nbme?

Answer 4

Haloperidol (typical anti-psychotic; D2 antagonist)
and
clonidine (a2 agonist) are two agents used to Tx that show up on NBME.

Question 5

Provisional tic disorder.
In pediatrics it is normal for the kid to sometimes have a singular tic that lasts up to a year (e.g., unusual tongue or lip gesture).

Answer 5

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Question 6

Provisional tic disorder. chance to progress to tourette?

Answer 6

There is very low chance of it progressing to chronic tic disorder / Tourette.

Question 7

Provisional tic disorder. BEST NEXT STEP?

Answer 7

USMLE wants follow-up in 3-6 months as the next best step (i.e., observe).

Question 8

PANDAS. abbrev?

Answer 8

Pediatric Autoimmune Neuropsychiatric Disorder Associated with Streptococc

Question 9

PANDAS. mechanism?

Answer 9

Group A Strep pharyngitis can cause a tic disorder, OCD, or ADHD in the weeks following infection.

Question 10

PANDAS.

USMLE will give you kid who had sore throat two weeks ago + now has a new-onset tic, ADHD, or OCD, and they will ask what will most likely diagnose etiology for the disorder àanswer = “anti-streptolysin O titers.

Answer 10

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Question 11

Drug-induced. what drugs? 3

Answer 11

Stimulants such as methylphenidate, amphetamines, and caffeine can cause tics.

Question 12

Drug-induced.

Tardive dyskinesia due to anti-psychotics is considered a type of tic disorder.

Answer 12

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