In this video, you'll learn the side effects of Epinephrine and Epinephrine's mechanism of action.

This is a super simple way to learn pharmacology faster and easier in nursing school, step by step. It will help you understand the critical thinking and WHY behind the side effects, and how Epinephrine actually works inside your body.

That way on your nursing school exams, you will be able to critically think and work thorough those NCLEX style questions. Lets get started breaking down Epinephrine, step by step.

Mechanism of Action of Epinephrine:
Epinephrine acts on alpha 1 adrenergic receptors to cause smooth muscle contraction, so vasoconstriction which also constricts the pupils. It also has some effect on the beta adrenergic receptors which cause bronchodilation. Vasoconstriction helps to increase blood pressure and increase cardiac output as well as gas exchange with bronchodilation. It also inhibits the inflammatory response that come from mast cells in immediate hypersensitivity reactions, such as anaphylaxis, by inhibiting the release of mediators.

Epinephrine Side Effects:
Nervousness, restlessness, tremor, and headache can all happen because the fight or flight response, or the sympathetic nervous system, turns on and puts your body into ready to react mode.

Angina, arrhythmias, hypertension, tachycardia can all happen because again fight or flight response is turned on. It causes smooth muscle contraction which causes vasoconstriction that increases blood pressure and cardiac output.

Hyperglycemia and GI upset can happen because the GI system is not as active because the body is focused on the sympathetic nervous system.

Now we know more about how Epinephrine works inside the body, and the critical thinking about why it would cause those side effects. You are going to be an outstanding nurse! Keep up all the hard work, friend, you are doing great!

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TIMESTAMPS:
0:00 Intro
0:48 Trade Names, Generic Names, Classes, and Indications
1:24 Mechanism of Action and Therapeutic Effect
2:18 Side Effects
3:02 Nursing Assessment
3:34 Contraindications
3:55 Patient Education and Nursing Considerations

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