Complication Acute Complications of Sickle Cell Disease A condition that co-exists or follows from sickle cell disease and that has a severe and rapid onset of symptoms with short duration. Probably too specific to warrant inclusion into anther ontology. None Acute Complications of SCD SCDO http://purl.bioontology.org/ontology/MESH/Q000150 http://bioportal.bioontology.org/ontologies/NCIT?p=classes&conceptid=http%3A%2F%2Fncicb.nci.nih.gov%2Fxml%2Fowl%2FEVS%2FThesaurus.owl%23C14140 Phenotype of Sickle Cell Disease