Pack some clothing and money to keep safely hidden with a trusted friend or relative. Use your own instincts and judgment. If the situation is very dangerous, try to calm the abuser down. This may give you the opportunity to get away. In emergencies, call 911.
Domestic violence is a crime.
You may also be eligible for a protection order. Call the Pee Dee Coalition for assistance. Batterers rarely seek help. They seek help when the court orders them to or their victims issue ultimatums. Be prepared to take whatever steps might be necessary to see that your partner gets help finding alternatives to violence.