What cardiac monitoring should be performed during the treatment of cocaine toxicity?

Updated: Sep 01, 2018
  • Author: Lynn Barkley Burnett, MD, EdD, LLB(c); Chief Editor: Sage W Wiener, MD  more...
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Answer

Patients may develop chest pain several hours after cocaine use. [31] Recurrent coronary vasoconstriction associated with increased levels of benzoylecgonine and ethyl-methyl ecgonine may be responsible. Furthermore, patients with cocaine withdrawal may have dopamine depletion, resulting in intermittent coronary spasm. [41] MI has been attributed to cocaine use several days earlier, and Holter monitoring has documented cocaine-induced ischemia for several weeks after cocaine use. [31] Recurrent ischemic chest pain is reported in patients who do and in patients who do not continue to abuse cocaine. [31] Ischemia may persist for up to 2 weeks after the cessation of cocaine use; therefore, avoiding the use of beta-adrenergic blockade for as long as 2 weeks after withdrawal of the toxin may be prudent.


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