The term ‘emergency department’ captures attendances at major accident and emergency (A&E) departments, other A&E departments and minor injury units (MIUs).
Defnyddir y term ‘adran frys’ i egluro bod presenoldeb mewn adrannau damweiniau ac achosion brys mawr, adrannau damweiniau ac achosion brys eraill ac unedau mân anafiadau wedi’i gynnwys.