The police logged it as an assault, and said the nurse had acted instinctively and in self-defence.

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When asked why Mrs Richards was not in a splint with her legs straight as instructed in her medical notes, the nurse said that was the position she had been left in by the ambulance staff who had just transferred her from the Royal Haslar Hospital in Gosport.

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Some techniques are emerging as key, Coleman said: Having patients prove they understand by teaching back to the nurse.

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Saldanha worked at King Edward VII's Hospital for more than four years, and she was described as an "excellent nurse, " well-respected by co-workers, the hospital statement said.

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The boys were all born at 31 weeks' gestation, so they face some health risks, as their immune systems aren't fully developed, said Krista Cato, a nurse in the pediatric intensive care unit of Children's National Medical Center in Washington.

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Jo Brand said her previous professional experience of dementia as a psychiatric nurse made her realise how isolating the condition can be.

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