Magico religious articles such as amulets, strings, statues are valued by many, especially Cambodian, Laotian, and Thai. Spirit possession is a reality for some. Living and dying in a strange land that often is uncaring and disrespectful. Fitting western notions to other people - sometimes it works and sometimes it does not. We don't, of course.
Some diseases are fatal and some problems unsolvable.
It may bring great comfort to know that ashes will be taken back to Cambodia or wherever the birthplace. Ask the person who is dying about dreams of home. Family staying with the patient - Usually there are people who want to stay 24 hours with a dying patient.