The game between the Dallas Stars and Columbus Blue Jackets was stopped on Monday night after Rich Peverley of the Stars collapsed on the bench.
Peverley, who has a history of heart issues collapsed while on the bench and was removed from the arena and taken to a local hospital.
The game took a 15-minute delay while the organizations discussed its resumption with the NHL but the final decision was to cancel the match and replay at another time.
Peverley missed Dallas' training camp and their season opener after having a procedure to correct an irregular heartbeat.
He also did not travel with the Stars to their game against Columbus last Tuesday, after being listed as out with an upper body injury, coach Lindy Ruff confirmed that his absence was tied to heart issues.
Twitter exploded with messages of compassion and well wishes for the 31-year-old immediately after it happened and it has since been confirmed that he is conscious in hospital.
The hockey world is awaiting further details and holding its collective breath after it has been confirmed he was treated for a heart issue.