Getty

Buffalo Sabres star Rasmus Dahlin just revealed his fiancée, Carolina Matovac , received a heart transplant this offseason ... detailing the traumatic experience that led up to the serious procedure in a letter to hockey fans.

The team shared Rasmus and Carolina's story on Friday morning ... with the defenseman stating his partner had felt sick for a few days before things took a dire turn.

"Fortunately, she received CPR on multiple occasions, and up to a couple of hours at a time to keep her alive, which ultimately saved her life," Rasmus wrote. "Without her receiving lifesaving CPR, the result would have been unimaginable. It is hard to even think about the worst-case scenario."

Ultimately, it was determined Carolina would need a new heart ... and after being on life suppor

See Full Page