She said that locked-in syndrome was 'like being buried alive. You can think and feel and hear, but give no communication'.
Ms Allatt was just 39 and had three young children when she had her stroke in February 2010.
She explained that after six weeks in a rehab unit she was 'written off' and, in the video below, describes how she fought her way back to fitness, defying her doctors' predictions.
Previously a keen fell runner, a year after her stroke Ms Allatt took part in a short run unaided, footage of which she showed to RCGP conference delegates at the end of this video.
Photo: Pete Hill