Complete heart block in chronic chloroquine poisoning.
Complete heart block of recent onset is reported and is attributed to chronic chloroquine abuse. Total blood chloroquine was more than two times higher in this patient than in 4 patients following therapeutic doses of chloroquine, and chloroquine basic metabolites were also proportionally higher in this patient's blood.
D002738:Chloroquine / Q000008:administration & dosage / Q000506:poisoning*; D004562:Electrocardiography; D006327:Heart Block / Q000139:chemically induced*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012651:Self Medication
D002738:Chloroquine