you have not mentioned whether you are taking any medicines for SVT
And your b.p. Redings definitely suggest hypertension
and for that you have to start medication.
Before that you have to evaluate for secondary causes for hypertension because these can treatable some times.
so you consult a cardiologist
and evaluate for both hypertension and SVT.
Start life style modification like salt restriction, quit smoke and alcohol, regular exercise, weight reduction from now onwards, so that it will prevent or postpone some of target organ damage.