Wow that's a little higher than normal! You're tearing heartbeat usually does increase slightly (as does your blood pressure) while you're pregnant, but more than an extra thirty beats a minute is not normal as far as I know. Rest as often as you can over the weekend, drink a ton of water, and call your doctor/midwife first thing on Monday. They know your health history better than a stranger in the er.
When I start to experience a rapid heartbeat or I feel I can't breathe I drink lots of water and it helps