This is a civil suit waiting to happen. Most likely, depending on the doctor's records it will be solved before trial. The presenting issue will be whether the doctor took state of the art steps to insure his patient had the necessary care and whether the family and the patient were aware of these and cooperated to the same
Further, a hospital can make a reasonable effort to find a different place for a non-paying patient, but, again, they are not off the hook either.
I must say most physicians and hospital personnel are unaware of their true, legal and moral responsibility; hence, they are often sued for dereliction of duty or "abandonment" depending on state statutes.
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