Major emergency departments must provide the resuscitation, assessment and treatment of acute illness and injury in patients of all ages, and services must be available continuously 24 hours a day.
Rhaid i adrannau brys mawr ddarparu gwasanaethau dadebru, asesu a thrin salwch acíwt ac anafiadau i gleifion o bob oed, a rhaid i wasanaethau fod ar gael 24 awr y dydd yn ddi-dor.