Tuesday, June 20, 2017

Hyperkalemia with serum potassium of 7.5 mEq/L

Serum potassium > 7.0  mEq/L is associated with conduction abnormalities and bradycardia:
  • Prolonged QRS interval with bizarre QRS morphology
  • High-grade AV block with slow junctional and ventricular escape rhythms
  • Any kind of conduction block (bundle branch blocks, fascicular blocks)
  • Sinus bradycardia or slow AF
  • Development of a sine wave appearance (a pre-terminal rhythm)
From Life in the Fast Lane https://lifeinthefastlane.com/ecg-library/basics/hyperkalaemia/

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