30 weeks pregnant and occasional head rush or head wave while sitting followed by facial pressure and neck soreness. what is this?

Chk BP: If your BP is high, close attention during your pregnancy is needed. If a wide separation between systolic and diastolic BP (pulse pressure) should be evaluated for murmurs of aortic regurgitation and have perhaps u/s of proximal aorta and a cardiac echo and doppler. Sometime some of the head and neck symptoms could reflect aortic insufficiency (example in marfan's or in cases of biscupid av.