mrs cavanagh, from foyle park in londonderry, had a complex medical history of chronic heart and renal failure. .

he said the case could have been more complicated. “everyone’s pain threshold is a little different. an embolization is pretty painful regardless. .

speaking after a four-day inquest, the family of brigid cavanagh, who died on july 20, 2016, said the western health trust should be ashamed after the 83-year-old had died in "terror". .

over years of research, scientists discovered that cgrp helps transmit pain signals in the brain. .