This guidance was produced with the help of the Centre for Digital Public Services (CDPS) and Welsh Local Government Association (WLGA).
Mae data yn yr adroddiad hwn wedi cael ei ddarparu gan Iechyd a Gofal Digidol Cymru (DHCW) ac Ymddiriedolaeth GIG Gwasanaethau Ambiwlans Cymru (WAST).