A baby was resuscitated after his lips turned "navy blue" and he experienced a seizure - but his mother was told to "try to relax".
Liane Slawson described her "awful experience" watching little Max Dwyer suffer up to 18 seizures every night in hospital when he was just three months old.
She said she was "screaming out" for answers but doctors at Countess of Chester Hospital told her to "try to relax" despite having just resuscitated Max, following one particularly distressing episode.
"I thought he was in cardiac arrest, there was people everywhere working on him," Liane told Liverpool Echo.
"He was treated for sepsis for a long time but all his bloods were coming back as normal so they went down the reflux route.
"I said they were seizures, he was turning his head and his eyes were fixated but they kept saying 'try to relax mum'."
Liane, herself an A&E nurse, stayed with Max in hospital, where he experienced multiple seizures each night for a short period.
Liane and Max's dad Kenny demanded their son was transferred to Alder Hey Childrens' Hospital in Liverpool.
The mother continued: "I was pulling the crash bell all the time, he was having 18 episodes a night and I was on my own, I was trying to apply oxygen myself it was an awful experience."
But MRI scans at Alder Hey showed a small lesion in Max's brain and he was treated for an infection in the summer of 2021.
He remained at Alder Hey for six weeks and, after another fit, it was confirmed he had suffered seizures.
"It was a year of constant seizures, increasing his medication, being sick and not being able to leave the house," mum-to-two Liane continued.
"I just thought he was going to die. The neurologist said they'd never seen anything like it, it wasn't acting in the normal way. The biopsy came back as normal tissue.
"He was banging his head constantly. I was on the hospital bed about to be induced when they said we could go ahead with surgery.
"He went in on March 16 and had part of his right temporal lobe removed as well as the tumour and since then, he's been seizure free. He started nursery and from not leaving the house to now he's been fantastic, we couldn't be happier.
"He's like a new child. We have to wait and see if the rest of the rare tumour grows."
Liane is now urging other parents to trust their own instincts as she said: "I did doubt myself, I didn't want to be a know it all nurse but I knew something wasn't right. We demanded to come to Alder Hey, it's an amazing hospital.
"We are also so thankful to the Alder Hey Charity and the Thumbs Up Charlie charity which was set up after a young boy died from a brain tumour, they are sending away on holiday which is respite for us, they have been a great support."
The Alder Hey Charity can be found here and for more information about Thumbs up for Charlie, visit here. According to the Brain Tumour Research, common symptoms include seizures, dizziness and vomiting. More information can be found here.
