Mae Dr Jason Shannon, yr arweinydd clinigol cenedlaethol ar gyfer adolygu nodiadau achos marwolaethau, wedi arwain y gwaith o ddatblygu dull gweithredu cyson ar gyfer adolygu marwolaethau, gyda chymorth Gwasanaeth Gwella 1,000 o Fywydau.
Dr Jason Shannon, the national clinical lead for mortality case note review in Wales, has led the work to develop a consistent approach to mortality reviews, with support from the 1,000 Lives Improvement Service.