Hi. I've had AF for about 10 years but am new to here. Am a GUCH patient so slightly complicated. Have had cardioversions, an ablation, had my mitral valve replaced and a maze procedure and now have a single chamber pacemaker . Still have AF. It tends to come and go but 4 weeks ago I was put on insulin injections and it has sent my heart rather loopy. However, at the hospital yesterday when interrogating my pacemaker, they said that nothing was showing up on my pacemaker readings so I couldn't be getting fast runs or mad rhythms cos otherwise it would show up. And yet, when taking my pulse its regularly at120. So .......... Any ideas anyone, cos I'm flummoxed and the hospital were well less than helpful.