Dull Heart Pain More Condition_symptoms Dull Squeezing Pain In My Heart That Lasts For A Few Seconds?!?

Dull squeezing pain in my heart that lasts for a few seconds?!? - dull heart pain more condition_symptoms

I am 19 years old. I have high cholesterol, but it is now normal. Thank God!
I'm worried because I received this dull pain in my heart that the last seconds, the pain in my heart and I feel a little bit that moves a little. It feels like a dull crunch. I really do not know how to explain.

I had an EKG and an ECG.
Do you think if I had something serious in my heart echo showed something wrong?

Help please!