"I could feel it racing, and I was a bit out of breath. It didn't get so bad that I felt the need to stop" sounds exactly normal to me. High 'false' readings could happen at any time. If you are worried sure, see a GP, personally I'd wait until I collapse and need an ambo before worrying ;)
"I could feel it racing, and I was a bit out of breath. It didn't get so bad that I felt the need to stop" sounds exactly normal to me. High 'false' readings could happen at any time. If you are worried sure, see a GP, personally I'd wait until I collapse and need an ambo before worrying ;)