Fluctuating blood pressure normal day 93/66-110/77 and on occasion it will be as high as 170/118. heart rate increase 105-120 upon standing. pots?

Fluctuating BP: Fluctuations in blood pressure can have many causes, and BP should be measured in a calm, resting state and not during or immediately following any stressful or exertional activity. Other common causes include medications. POTS is defined as the development of orthostatic symptoms associated with a heart rate (HR) increment ≥30, usually to ≥120 bpm without orthostatic hypotension.