The results from this are giving me a cardiac output of 1650 ml a minute

For context: 23 year old Male, 6 foot 3, 205 pounds. 33-40 RHR. Heart rate recovery of around 50 beats after a minute of rest. Can comfortably run 3 miles sub 19 minutes. Hi, I have been having chest pains etc for over a year. Paid for a private echo scan to rule out aortic regurg due to high pulse pressure 120-140/40-60. No aortic regurg was found, and I have a low resting heart rate of around 33-40 when sleeping so the pulse pressure was put down to that.

I’ve recently had it pointed out that if my low resting heart rate was due to my athleticism like I was told, then my stroke volume would be super high to counteract this. But my stroke volume index worked out at 47. This would give me a cardiac output of 1650 ml a min.

Surely this can’t be right? I am 23 years old, m fit and healthy, my heart rate recovery is around 50 beats after a minute of rest. I feel lost on what to think or do?