How do you read blood pressure?

Anonymous
I am 19. About 5'1 weighing around 140ish. I took a blood pressure test and got 170/14 I don't know what it means. My family has a history of high blood pressure and lately I have been feeling chest burns. I have been eating a lot of junk food tho which makes me a bit sick. But what does my blood pressure mean?
How do you read blood pressure?
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