Pharmacologic Substance
etilefrine
Definitions related to etilefrine:
  • A phenylephrine-related beta-1 adrenergic and alpha adrenergic agonist used as a cardiotonic and antihypotensive agent.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • An adrenergic agonist with vasoconstrictive activity. Etilefrine selectively binds to and activates alpha-1-adrenergic receptors of the arteriolar and venous vasculature. This causes smooth muscle contraction and leads to a decrease in venous pooling and increase in blood pressure. This agent may also stimulate beta-1 adrenergic receptors, leading to positive chronotropic and inotropic effects.
    NCI
    U.S. National Cancer Institute, 2021
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