The changes, which come into force in July, are designed to save more lives and improve people’s outcomes following a cardiac arrest, a serious illness, incident, or accident.
Nod y newidiadau hyn, a ddaw i rym ym mis Gorffennaf, yw achub mwy o fywydau, a gwella canlyniadau i bobl ar ôl ataliad y galon, salwch difrifol, digwyddiad neu ddamwain.