Is it normal if you have anxiety to have hard beating of the heart all day even though they are not nervous? an ecg and ultrasound came back normal.

Common's not normal: It's good your heart trest results are normal - and, at your age, it would not a known condition if you did have cardiac issues. You may have an idea of 'nervous' that differs from your body's sense of it. Let a well trained expert Clin Psych do a good psych eval. Expect that CBT therapy will teach you skills toward a better life. It's a great investment w/ or w/out meds. Best!