Hi,today I Measured My Blood Pressure 158/84.First I Had Pain

hi,today i measured my blood pressure 158/84.First i had pain in chest like something were running painfully inside my left side of chest,than i felt dizzy,tired (like after a really hard work) but i was driving to my moms house.I had always arythmia when i measured my blood pressure 5 years ago until now not all the time but just sometimes when i felt bad or just some discomfort on my chest.Im from belgium and doctors say's i just have hyperventilation but i dont think so.I had several consultation like ECG,holter, and so on and the result were perfect.Im just 22 years and i dont want to die like this.Im afraid that i wouldnt live too much.My question is what should i do is there some homemade medication or something i can use when i feel bad ?