Adrenaline
Medical term · A
Stress hormone that puts the body on high alert. Changes include faster heartbeat, more rapid breathing, greater energy, and higher blood pressure. Also called epinephrine.
Related terms
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Blood pressureThe force blood exerts against the walls of the arteries. Optimal blood pressure is less than 120/80 mm Hg.
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EpinephrineA chemical that narrows blood vessels, increases heart rate, and helps trigger the fight-or-flight response to danger. Also called adrenaline.
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StressAn innate survival response in which certain hormones are released, increasing blood flow to the brain or heart. The stress response leads to an energy surge, enabling a person to…
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Alpha blockersA group of drugs that lower blood pressure by blocking the effects of adrenaline or adrenaline-like substances on cells' alpha receptors. Also used to treat some prostate gland…