Ultrasound after ER trip

Kassie 💜 • Married 10.20.13 💍
So I was having very light brown spotting on and off for about a week and yesterday had some cramps and some reddish colored blood. Decided to go to the ER last night to get it checked out. My levels came back in the normal range for being between 6-7 weeks. Got a transvaginal ultrasound just now they thought they maybe could see a heartbeat but said she couldn't tell for sure since it's so early and estimated me about 2 days later than I thought at 6w4d. I thought I was about 6w6d.. I have my first official OB app Wednesday of next week so I'm hoping we will for sure hear/see a heartbeat then. Still a little worried so I could definitely use some prayers. 🙏🏽