Lady Swinfen was a registered nurse. She was a nursing officer with the Queen Alexandra's Royal Army Nursing Corps, serving in UK, Malta, and Libya.
With her husband Lord Swinfen, they started the Swinfen Charitable Trust (Swinfen Telemedicine) in 1998. The trust now has links in 78 countries in the developing world.
Referring doctors can use this system to seek expert medical advice, free of charge, regarding their patient's condition, 24/7.