REDFORD B. WILLIAMS JR., M.D.; CARL SHERTER, M.D.
Two similar cases of unresponsive cardiac standstill secondary to toxicity of tricyclic antidepressants are reported. One is a case of deliberate overdose, and the other represents toxicity of therapeutic doses in a patient "pretreated" with a catecholamine depleting agent (guanethidine). Tricyclicamine antidepressants block the uptake of catecholamines by the heart, allowing enzymatic degradation and further catecholamine depletion. This group of antidepressants should therefore be contraindicated in patients receiving drugs that deplete cardiac catecholamines.
REDFORD B. WILLIAMS, CARL SHERTER. Cardiac Complications of Tricyclic Antidepressant Therapy. Ann Intern Med. 1971;74:395–398. doi: 10.7326/0003-4819-74-3-395
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Published: Ann Intern Med. 1971;74(3):395-398.
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