Olympic swimming legend Mark Spitz was recently diagnosed with atrial fibrillation, or an irregular heartbeat, a rep for Spitz confirmed.
Spitz has worked with doctors over the last year to manage the condition, according to a social media post Wednesday, the 47th anniversary of winning his seventh gold medal at the Munich Olympics.
“After competing at that level, I never imagined that I would be diagnosed with a heart condition like this one,” was posted on Spitz’s Facebook and Twitter. “I feel lucky that I was able to catch this before it put me at serious risk for other heart complications.