The arrangement pretty much varies from case to case, as even with the same kind of condition, an individual or family may still have different needs. The American Association of Retired Persons (AARP) points out that the services may be provided by medical professionals (e.g. nurses and physicians), health aides, or home care aides.
In Roswell, GA, providers of such home health services, like Homewatch CareGivers of North Atlanta, give personalized care. They evaluate each situation carefully, discussing details with the client to form a customized care plan, using the needs and preferences of each client as the basis.