 When she revived, she had difficulty speaking and was confused.Although Dr Douthwaite interpreted these symptoms as arising from excessive drug use, both he and Dr Ashby, the other medical expert for the prosecution, agreed that the symptoms were also compatible with this diagnosis of a further stroke.Dr Harman, the defence's medical expert witness, regarded it as a slight stroke as might be expected from her age, having previously had a major stroke and her arteriosclerosis.