Long time sufferer of anxiety, palpitations are really bad tonight, feel like I really can't breathe properly (although I am breathing just feels I can't get a proper breath through). Been having palpitations on and off for a few weeks, doctor has sent me for an ecg but date got prosponed due to Covid. Feel like I can feel my heart beating a lot more just now, been getting sharp pains in my chest for a few days which I know is stress related. Any advice on what I should do? I don't want to call out of hours as it is probably my anxiety and don't want to waste their time as I'm sure they will be really busy. Slept most of the day today & just feel absolutley exhausted.