Nurse Victorino Chua, found guilty of murdering and poisoning patients at Stepping Hill Hospital in n Stockport, Greater Manchester, has been jailed for a minimum of 35 years. Chua killed Tracey Arden, 44, and Derek Weaver, 83.
The father-of-two was convicted on Monday following a three-month trial.
Judge Mr Justice Openshaw described Chua as an "experienced nurse who used cunning" to poison patients.
He was found guilty of tampering with saline bags and ampoules while working on two acute wards at the hospital in Greater Manchester, in June-July 2011. These were unwittingly used by other nurses, causing a series of insulin overdoses.
Detectives described Chua as a narcissistic psychopath.
Chua was convicted of 2 murders, 22 counts of attempted grievous bodily harm, 1 count of grievous bodily harm, 7 attempts of administering poison and 1 count of administering poison. He received 25 life sentences and showed no emotion as he was taken down to the cells. Judge said he would be 84 years old before he was eligible for parole.