Dangerous Pregnancy Symptom?

Patient: Hi, I was wondering if my wife should go to the hospital or not.She is 5 weeks pregnant and started at 5:30 this evening to feel very nauseous more than usual. Her heart is beating hard and she feels really weak. She’s had body aches, and for the past 2 hours, her head hurts badly at the base of her head to the back of her neck and half way down her back.I don’t know if we should go to an ER or not

Symptoms: Severe headaches, cold and hot flashes, bod aches, pain in lower abdomen, and hard beating heart.