Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated August 2025
Definition
Epinephrine levels refer to the amount of epinephrine (also known as adrenaline) present in an individual's body. Epinephrine is a hormone released by the adrenal glands during times of stress or excitement.