Paula Stevenson spoke today after the Coroner's verdict into the death of her one-year-old daughter Hayley, who died at Birmingham Children's Hospital in 2009.
"I knew Hayley was dying, I asked for help.
"The nurse said I was having a tantrum, she said I was having a tantrum and my daughter was dying."
Hayley Fullerton was flown to Birmingham from her home in Belfast for an operation to treat a condition called Pulmonary Astresia - there was a blockage that restricted blood flow from her heart to her lungs.
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A coroner has begun summing up in the case of a one year old girl who died at Birmingham Children's Hospital in 2009.
The verdict into the death of one-year-old Hayley Fullerton is expected to be made today, more than three years after her death.