After 211 days waiting for a new heart at Boston Children's Hospital, the call came for Ari, age 5 - and this video shows reaction. It will melt your own heart.
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UPDATE: Ari received his new heart last week at Boston Children's Hospital, and has been hard at work healing in the cardiac ICU.
He is awake, the breathing tube is out and he's breathing on his own.
Ari has a very long road ahead of him, but and so far his new heart is cooperating.