your systolic bp 150 is deffinately high, as I don't know whether it is a single reading or persistent on on different occaisions. if it is a single reading yhen you need to get a 3 cosecutive reading on different occaision and days in calm envronment. if it remain persistently high you are in need of antihypertensive management schedule which include lifestyle modification, dietatary management. exercise and medications.
you will also required to be investigated for EKG, X-ray chest and lipid profile
function tests. hence you are adviced to proceed accordingly and consult your physician.