Young child with laughing spells.
Diagnosis -
a) Hypothalamic hamartoma
b) Tetralogy of fallot
c) Nitrous oxide poisoning
d) None of the above
Correct Answer - A
Answer- A. Hypothalamic hamartoma
Laughing spills (also know as Gelastic seizure)
Gelastic seizures are epileptic events characterized by bouts of
laughter. Laughter-like vocalization is usually combined with facial
contraction in the form of a smile. Autonomic features such as
flushing, tachycardia, and altered respiration are widely recognized.
Gelastic seizures have been associated classically to hypothalamic
hamartomas