I Was Sitting On The Sofa Suddenly I Felt Overwhelmed

I was sitting on the sofa suddenly I felt overwhelmed strange and my heart started racing from resting up to 144
I am 44 years old I have a heart app on my phone and it is all over the place I took two aspirin now heart is at 81 normally at 65 am my blood pressure was 143 over 85 it's now 141 over 80 should I be worried