Mum who died waiting for care loved dearly

An independent panel will investigate the death of a woman waiting for care at a WA hospital. (AAP)

The family of a woman who had a heart attack while waiting for care at a regional West Australian hospital have spoken of their grief at suddenly losing a mother who was very dearly loved.

The woman, believed to be in her 70s, died on Tuesday after being taken by ambulance to the Busselton Health Campus emergency department.