Several risk factors for NMS should be noted in elderly depressive patients whose symptoms often include dehydration , agitation , malnutrition , and exhaustion .
O O O O B-DiseaseOrPhenotypicFeature O O O O O B-DiseaseOrPhenotypicFeature B-OrganismTaxon O O O O B-DiseaseOrPhenotypicFeature O B-DiseaseOrPhenotypicFeature O B-DiseaseOrPhenotypicFeature O O O O