Patient/caregiver was instructed upon epinephrine and mechanism of action as follows: Epinephrine is a hormone, naturally produced and released by the adrenal gland. Epinephrine acts by interacting with alpha and beta receptors located widely in various body tissues. The actions of epinephrine depend and vary widely based on the dose administered and the receptors activated. Epinephrine artificially administered into the body, acting on alpha-1 receptors in the smooth muscle of blood vessels, can result in [...]