If I were you?
And very recently from what you say we could have had similar problems except I don’t get pain or out of breath, I went to A and E at Shrewsbury, I learned a lot that day, turns out that it was Atrial Flutter which just felt like SVT my finger monitor said 120 bpm but when they took an ECG if was 150bpm, they gave me Another Bisoprolol and gradually it went away. The next morning I saw the cardio consult who took the time to explain everything. The right thing to do it go get help they were just great and I went home feeling very reassured. Would like to say thanks to the staff there especially Sam and Dave who chatted with me all night and so much tea and toast 😜. Hero’s , all of them.