My Blood Pressure Was Unusually High On A Visit To

My blood pressure was unusually high on a visit to an ent. I was not under stress. 160/90 roughly, I dont remember exactly, however it is usually 120/75 I am 66 female 150 5'1" . I work 2 jobs. BC survivor and only can have bp on right side. I recently had a flu shot in right arm. Also in last month, I was bitten by a horse on thigh and bruised. The swelling moved down my leg with great discomfort and then seem to move to right leg and then disappear. I dont know if that is related. I am concerned that last 2 weeks bc is high