acute tricyclic antidepressant poisoning https://www.malacards.org/card/acute_tricyclic_antidepressant_poisoning MEDGEN:1830115 UMLS:C5681319 MONDO:0018547 Orphanet:43117 Acute tricyclic antidepressant (TCA) poisoning is a potentially lethal intoxication that is characterized by life-threatening arrhythmias (sinus tachycardias, premature ventricular contractions, ventricular arrhythmias), anticholinergic toxidrome (mydriasis, dry mucous membrane, tachycardia, hypertension), central nervous system toxicity (lethargy, coma, myoclonic jerks), refractory hypotension, and sudden death. acute disease poisoning