Just because the babies heartbeat is fine doesn't necessarily mean that you are. If you are that hot down there, and you feel kinda sick as well, you may have an infection. Call your doctor, or just show up. Or try the L&D and get checked in triage. They should have drawn blood to check your white cell count, not just blood pressure and fetal heartbeat. Go to the doctor, and try to breath. Over stressing won't help either of you. Good luck
If the hospital already checked u and the baby is not in distress then u are fine. U don't have fever.. the back pain and abdominal pain are pretty much normal in pregnancy unless they are contractions but u said they are not. I would just wait for ur appt on the 30th it's just next week. And mention it to the doc. But pretty sure they will just do the same checks the hospital did.
the pain sounds like it could b from the ligament stretching (pain around the and) n the back pain could b your uterus pressing on nerves if u feel numbness. And since you're pregnant, u have increased blood flow down there which could explain why u felt hot to your hubby. If the baby's fetal heartbeat is good, honestly baby is fine. But if u really feel u need to see the OB just call the office n tell them u need to be seen now for your symptoms. Mine was able to squeeze me in one day when I was worried about the baby being hurt (someone accidentally pushed the door open too hard that I was going to exit through n hit my belly)
Call your Ob and tell them you need a earlier date to see the doctor. Because the hospitals won't really tell you what's going on.