Patients requiring 'in-ward' dialysis are having to attend to Ysbyty Gwynedd for up to x 4 times per week and for sessions up to x 4 hours long.
Mae cleifion sydd angen dialysis ar y ward yn gorfod mynychu Ysbyty Gwynedd hyd at x 4 gwaith yr wythnos am sesiynau o hyd at x 4 awr.