10:41am
Mr Myers says a 'striking' matter that neither Child F or Child L "come close" to exhibiting serious symptoms as a result of high doses of insulin. Child F had a vomit. Child L "only ever seemed to be in good health", other than low blood sugar levels.
10:53am
He says for Child F, if accurate, received exogenous insulin administered, according to the laboratory result.
He says it was 12.25am when a TPN bag is put up for Child F by Letby and a colleague, and that was changed at noon by two other nurses as the cannula line had tissued.
He says the lab sample came at a time when Letby was not on duty, and was after the second bag had been put up.
Mr Myers says the readings of blood glucose found for Child F and Child L are not that different for their respective days, but the levels of insulin found in the lab sample differ [Child F had a reading of 4,659; Child L had a reading of 1,099].
He says Professor Peter Hindmarsh was asked to describe the signs of high insulin/low blood glucose. He said there was the potential for brain damage in low blood glucose levels. The other symptoms in serious cases include death of brain cells, seizures, coma, and even death.
He says "fortunately", "neither of these babies" exhibited the serious symptoms. He says that is surprising if both babies had the high levels of insulin alleged.
10:56am
Mr Myers says it is "a strange intent to kill" when the person with intent would know a remedy would be available - a solution of dextrose. He says Letby helped administer that dextrose.
He says it is "interesting" the proseution did not ask doctors to rule them out of involvement with insulin. He adds he is not making an allegation.
11:00am
He says there is "no evidence" Letby interfered with any TPN bag.
He says the fridge is used by "all nurses" on the unit, and the "risk would be obvious" that someone could be caught interfering with a TPN bag.
He says there are "lots of reasons" to show Letby would be noticed if she were to carry the act of administering insulin.
The trial of Lucy Letby, who denies murdering seven babies at the Countess of Chester Hospital neonatal unit and attempting to murder 10 more, is…
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