Ultrasound appointment

Mandy • 27yrs old, married --- MC#1 2-22-2014 -- MC #2 6-18-2014
Hello ladies! My doctor wants me in for an early ultrasound this time around since I miscarried with my first pregnancy. What can I expect around the 5-6 week mark? Was anyone lucky enough to see a heartbeat that early? Thanks for the input! :)