Hi, may I answer your health queries right now ? Please type your query here... hello I am 18 years old. My blood pressure is currently 130/90, and I'm tachycardic with a pulse around 120. My heartrate goes up to around 160 sometimew, and when I walk on the tredmill it has went up to 190. There is dizziness, chestpain, and tiredness too. What does this mean?