Daily Bolus of LR: Cocaine and the QRS

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November 1, 2012 by dailybolusoflr

Courtesy of Dr. Caitlin McCord

  • Cocaine, in addition to causing many other arrhythmias, can cause QRS widening
  • It is classified as a Type 1a anti-arrhythmic
  • QRS widening due to cocaine can be treated similarly to other QRS widening agents:
  • Administer sodium bicarbonate 8.4%- 50mEq in 50mL (Note: this is currently on shortage)
Ref: Emerg Med Clin N Am 28 (2010) 663-682

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