What do you expect to happen after administration of a dose of intravenous epinephrine?

It will cause an increase in the heart rate, like a minute after administration.

Explanation:

The release of epinephrine which is also known as adrenalin, from the medulla of the adrenal gland is caused by anger or fear. And it release cause an increase in the heart rate, and blood pressure through the rushing of the blood to the brain and muscle.

The release of epinephrine can be controlled through meditation and deep breathing exercise.