3:19pm
Nursing notes written by the designated nurse, written in retrospect, found Child B's CPAP prongs had been pushed out of the nose, and oxygen saturation levels had fallen to 75%, before midnight. The prongs were repositioned, and after "a little while", the oxygen levels recovered.
The heart rate was stable and there was "good respiratory effort throughout". Child B was observed to be "stable" prior to midnight.
Letby is then involved with administering nutrition at 12.05am.
3:23pm
Letby is a co-signer for the nutrition prescription at 12.05am on June 10.
3:30pm
A blood gases record by Letby of Child B is made at 12.16am and another at what appears to be 12.51am, the latter "during neopuffing".
3:33pm
The designated nurse's record for the desaturation and collapse event at 12.30am, written retrospectively, includes the notes: "Sudden desaturation to 50%.
"Colour changed rapidly to purple blotchiness with white patches.
"Emergency call for doctors put out."
A 'fast bleep' alert for a nurse to attend the neonatal unit as soon as they can is made at 12.33am.
The court hears this is a 'crash call'.
3:40pm
Following emergency treatment, Child B was placed on a ventilator and 'good air entry' was noted. A doctor entered the neonatal unit at 12.34am and the on-call consultant was called at home at 12.36am.
Child B's "colour started to improve almost as quickly as it had deteriorated", and morphine treatment began, while the parents were called to the unit and kept informed at cotside.
THE trial of Lucy Letby, who denies murdering seven babies and attempting to murder 10 more while working as a Countess of Chester Hospital neonatal…
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