thyroidism, hyper- and hypopa rathyroidism, hyper- and hypo adrenocorticism), metabolic
conditions (e.g., hypoxia, hypercarbia, hypoglycemia), fluid or electrolyte imbalances,
hepatic or renal diseases, and autoimmune di sorders with central nervous system involve-
ment (e.g., systemic lupus er ythematosus). The associated physical examination findings,
laboratory findings, and patterns of prevalen ce or onset reflect th e etiological medical
condition.