Understanding cardiac arrest and emergency response after Damar Hamlin’s collapse on ‘Monday Night Football’ - Westfair Communications
Hard tackle to the chest could have triggered a rare heart condition in Damar Hamlin, doctors say
Golden two minutes': Player's cardiac arrest shows importance of immediate action, MUSC
Commotio Cordis: The Rare Heart Phenomenon Thought to Have Caused Damar Hamlin's Collapse - WSJ
What happened to Damar Hamlin? Explaining cardiac arrest causes
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Cardiac arrest causes: What led to Buffalo Bills' Damar Hamlin's collapse?
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