21wks 6dys

I had my ultrasound last Thursday and the baby was heathly everything was great then the nurse found a little bright spot in the babies left heart chamber she said it's really common it mainly happens in Asian woman but IM NOT ASIAN LOL, She said its nothing to worry about but they have to send me to the maternity medicine Doctor so thy can get a look at it to has this happen to anyone esle what was the outcome?? I'm just really worried is my first baby