The Holby City star shared snaps of paramedics inside her home and revealed Ben was being treated for a plural effusion and a partially collapsed lung.
The actress, 45, who played surgeon Jac Naylor in the BBC soap, and has also starred in Casualty said she used her medical experience after 16 years on the show to help the poor man.
BBC Holby City fans devastated as iconic character killed off in show s final ever episode bristolpost.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from bristolpost.co.uk Daily Mail and Mail on Sunday newspapers.