Watch: Tiny patch could save stroke patientspublished at 17:21 British Summer Time 17 May 2017
Vicky Johnson
Journalist, BBC Look North
Paramedics across Lincolnshire and East Yorkshire are carrying out a trial of small patches which could help save the lives of stroke patients.
About 40,000 people in the UK die as a result of a stroke every year, and it the country's fourth biggest killer.
More than 50 patients across East Yorkshire and Lincolnshire have so far been recruited to the trial and researchers say early results have been very promising: