first OB appointment? what to expect

I am around 6 weeks pregnant (according to a <a href="">due date calculator</a>). I went the day I missed my period and got anfaint positive but the doctor told me to come back in 4 weeks because I was waaaaay too early to see anything. My first "official" appointment since getting a positive on my bloodwork is Monday. Should I be expecting a sonogram or listening to the heartbeat? I'm a little anxious (excited too!) she won't see or hear anything. What should I be expecting for my first visit?