pressor
Học thuậtThân thiện
Definition
Adjective:
- Increasing or tending to increase blood pressure: Describes something that causes a rise in arterial blood pressure.
Noun:
- A vasoactive agent that causes vasoconstriction: Any substance or factor that narrows blood vessels, thereby maintaining or elevating blood pressure.
Examples of Usage
Adjective:
- The doctor noted the patient's strong pressor response to the cold stimulus.
- Norepinephrine has a potent pressor effect on the cardiovascular system.
Noun:
- In cases of acute hypotension, a pressor like phenylephrine may be administered.
- Nicotine acts as a pressor, which is one reason it contributes to hypertension.
Advanced Usage
- "Pressor reflex": A physiological reflex, such as the baroreceptor reflex, that works to increase blood pressure in response to a detected drop.
- The body's pressor reflexes were activated by the sudden blood loss.
- "Pressor agent" / "Pressor substance": Alternative terms for the noun form, specifically denoting a pharmacological agent.
- Vasopressin is used in the ICU as a powerful pressor agent.
Variants and Related Words
- Vasopressor (n): A more specific term for a drug that causes vasoconstriction and raises blood pressure. Often used interchangeably with the noun form of in medical contexts.
- The patient was started on a vasopressor infusion to support their blood pressure.
- Pressor Response (n): The measurable increase in blood pressure resulting from a stimulus or agent.
- The study measured the pressor response to mental stress.
Synonyms
- Adjective: Hypertensive, vasoconstrictive.
- Noun: Vasoconstrictor, hypertensive agent.
Antonyms
- Adjective: Depressor, hypotensive.
- Noun: Vasodilator, depressor agent.
Adjective
- increasing (or tending to increase) blood pressure
- pressor reflexes
Noun
- any agent that causes a narrowing of an opening of a blood vessel: cold or stress or nicotine or epinephrine or norepinephrine or angiotensin or vasopressin or certain drugs; maintains or increases blood pressure