Kalani David Dies Aged 24 After 'Massive Seizure' 

Kalani David, 24-year-old skating and surfing prodigy, passed away on Saturday after having a seizure while surfing in Costa Rica.

David suffered from Wolff-Parkinson-White syndrome, a congenital heart disorder that can result in seizures and a rapid pulse.

David continued to play the sports he loved despite having heart surgery six years prior.

David had already established himself as a top skateboarder and surfer by the age of 14.

Six years ago, while skating in Southern California, David experienced his first seizure.

David persisted in surfing and skating despite having health problems.

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After news of his passing broke on Saturday, tributes to the young sensation poured in.