title: An unusual cause of 'collapse'.
authors.forename: P C
authors.initials: PC
authors.lastname: Veitch
authors.forename: R J
authors.initials: RJ
authors.lastname: Russell
authors.forename: S K
authors.initials: SK
authors.lastname: Sankaran
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D000928:Antidepressive Agents / Q000627:therapeutic use; D002389:Catatonia / Q000175:diagnosis* / Q000628:therapy; D003937:Diagnosis, Differential; D004565:Electroconvulsive Therapy; D005260:Female; D006801:Humans
chemical_list: D000928:Antidepressive Agents