At this age, to get hypertension is very rare. Do you have any family history of hypertension? if so, visit a cardiologist. Juvenile hypertension
is a very rare phenomenon and a detailed examination and tests are required.
As you are saying the recent onset of symptoms and co relating with blood pressure monitoring, They may be significant. If the resting BP is in 180/100, it is definitely a significant high BP
BP and heart rate
both shoot up during exercise.
All the best.