Pharmacologic Substance
vasoconstrictor agent
[ vas-oh-kuhn-strik-ter, vey-zoh- ey-juhnt ]
Subclass of:
Cardiovascular Agents
Definitions related to vasoconstrictor agents:
  • (vasopressor) Any substance used in the treatment of hypotension. A vasopressor agent increases reduced blood pressure.
    NCI
    U.S. National Cancer Institute, 2021
  • (vasoconstrictor) A substance or condition, such as drugs, cold, fear, and nicotine, that causes blood vessels to narrow and thus de-creases the flow of blood.
    Harvard Dictionary of Health Terms
    Harvard Medical Publishing, 2011
  • Drugs used to cause constriction of the blood vessels.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • Epinephrine Receptors: Moderate beta-2, strong beta-1 and alpha adrenergic Increased cardiac output (CO) and heart rate (HR) Decreased renal perfusion Increased pulmonary vascular resistance (PVR), minimally Increased systemic vascular resistance (SVR) Significant increase in systolic function No effect in diastolic function Increased...
    Medscape
    WebMD, 2025
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.