The other day I was standing at the side waiting for the kettle to boil and I started feeling sick, when I tried to pick the kettle up it felt really heavy like my arm wasn't able to pick it up then my vision went blurt my hands, arms and legs went tingly, numb and I felt all limp and that I couldn't move then I dont remember what happened, then my friend sat me down and I came back round and I had ringing in my ears once I had a drink of my coffee I was feeling alot better just very hot and sweaty. Can you help I don't know what this is it has happened once before, I have got an appointment at the doctors on Monday but was wondering if you could help