RT Journal Article SR Electronic T1 Prolonged delirium without anticholinergic signs following amitriptyline overdose JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1203 OP 1204 VO 129 IS 11 A1 I. H. Gomolin A1 C. A. Melmed YR 1983 UL http://www.cmaj.ca/content/129/11/1203.abstract AB In a case of acute intoxication with a tricyclic antidepressant (amitriptyline) delirium was prolonged without there being prominent peripheral anticholinergic or electrocardiographic signs. Administration of physostigmine, repeated when necessary, reversed the delirium.