By Joel Moore & Isabelle Bates & Ryan Merrifield A mum-of-two died after being found collapsed under a coat in an A&E department as she waited to see a doctor over a headache. The 39-year-old had been suffering with a severe headache when she arrived at Queen’s Medical Centre in Nottingham on the evening of January 19. She was observed three times by nurses. Her case was escalated after she was triaged but when her name was called to see a doctor, she failed to respond multiple times. It was assumed that she had left the department. But was then found collapsed under a coat and rushed to inten…