Cardiology

His workouts helped him spot a dangerous heart problem

Ricky Reyes had just begun a high-intensity exercise program to get in better shape. But instead of feeling energized, the workouts left him exhausted and with spasms in his back, arms and jaw.

Cardiology

Q&A: Life after a heart transplant

Dear Mayo Clinic: My dad is 66 and was just put on the waitlist for a heart transplant due to coronary artery disease. How soon after the transplant would we know that he's out of the woods and his body didn't reject the ...

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