mrs cavanagh, from foyle park in londonderry, had a complex medical history of chronic heart and renal failure..
david dodick, md, neurologist, mayo clinic; chairman, american migraine foundation..
"she was our mother, the anchor and heartbeat to our family," derek said. "(she) would spread her love and dedication like a small hummingbird.".
on sunday morning, may 6, at 9:04 a.m., helen opened her eyes and turned to robert and took her last breath..