Experiencing Severe Headache,nausea Light Headed & Fatigue

HI Dr. My name is LIsa. Will try to give you a clear concise email. 50 yr old pre menopause had a 4 level lumbar back fusion 5 months ago. Was sedentary for two years, gained 50 lbs due to back pain. Am on the road back to pre surgery Lisa, have lost 20 lbs., walking/hiking in hills up to 2 miles a day, and eating/juicing the right way. Have had unexplained hi blood pressure since 30, when I was in the best shape and not overweight. The last 9 days the lowest my bp has been is 159/98 the hi 180/101never lower. pulse avg 92. headache non stop, nausea non stop, sweating, fatigue, light headedness. Seeing my dr on 5/6. My ? is should I go to emergency room, are these symptoms pre cursor to heart attack etc...