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High potassium concentration in a parenteral preparation of glyceryl trinitrate. Need for caution if given by intracoronary injection.
  1. S C Webb,
  2. R Canepa-Anson,
  3. A F Rickards,
  4. P A Poole-Wilson

    Abstract

    Glyceryl trinitrate (Tridil) was given by intracoronary injection to a patient who developed coronary artery spasm during angioplasty. Transient exacerbation of chest pain and electrocardiographic changes occurred. This formulation of the drug contains a high concentration of potassium ions and should not be given by this route.

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