RT Book, Section A1 Karydes, Harry C. A2 Sherman, Scott C. A2 Weber, Joseph M. A2 Schindlbeck, Michael A. A2 Rahul G., Patwari SR Print(0) ID 1101225994 T1 Cyclic Antidepressants T2 Clinical Emergency Medicine YR 2014 FD 2014 PB McGraw-Hill Education PP New York, NY SN 978-0-07-179460-2 LK accessemergencymedicine.mhmedical.com/content.aspx?aid=1101225994 RD 2024/04/19 AB Cyclic antidepressants remain a leading cause of poisoning-related fatalities among psychoactive medications.Patients will frequently present with minimal signs and symptoms only to abruptly decompensate from life-threatening cardiovascular and central nervous system toxicity.Cardiovascular toxicity (specifically refractory hypotension) is the leading cause of morbidity and mortality in cyclic antidepressant overdose.Hypertonic sodium bicarbonate should be given in 1–2 mEq/kg boluses to reverse the wide-complex dysrhythmias commonly encountered with cyclic antidepressant poisoning.