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6 Cards in this Set

  • Front
  • Back
Name three electrolytes that are essential to cardiac electrophysiology.
Sodium, potassium, calcium
Explain what ectopic pacemakers are.
Abnormal pacemakers
What are Class I Antiarrhythmic drugs (Sodium Channel Blockers) rarely used for? Instead
what is their use generally restricted to?
Rarely used for prevention of arrhythmias and are not recommended for use in the treatment of less serious arrhythmias. Generally restricted to the treatment of life-threatning ventricular arrhythmias.
Identify another separate and distinct use for lidocaine other than the treatment of arrhythmias.
Local anesthetic
What vasoconstricting drug is combined with lidocaine when used as a local anesthetic that could trigger severe arrhythmias if inadvertently given in an intravenous infusion?
Epinephrine
In addition to cardiac monitoring, what other assessments may be noted by the nurse to assist in evaluating the effectiveness of an antiarrhythmic drug?
Rate, rhythm, and quality of the pulse.