Bryant told ESPNDallas on Friday afternoon he was diagnosed with the condition at the National Scouting Combine in March.
"The teams that I visited said I was fine," Bryant said. "I feel fine. They worked me out and said I was fine."
According to WebMD, an irregular heartbeat is an arrhythmia. A normal heart rate is 50 to 100 beats per minute, but an irregular heartbeat or arrhythmias have heart beats that don't occur together. In the United States, more than 850,000 people are hospitalized for an irregular heartbeat each year.
"All of our doctors reviewed that and it's just not something we were concerned about," Cowboys owner and general manager Jerry Jones told ESPNDallas. "As a matter of fact, in visiting with experts in that area, they really did not in any way make a special notice of it. More importantly, more than anything, it isn't and it wouldn't have a negative impact on his ability to be a ball player or effect his ability to have a normal life."