Metoprolol

Question 1

Metoprolol Trade Name

Answer 1

Lopressor

Question 2

Metoprolol Classification

Answer 2

Medscape:
Beta Blocker, Beta 1 Selective

Capital:
Class II antidysrhythmic; beta-blocker

Question 3

Metoprolol Mechanism

Answer 3

Medscape:
Blocks response to beta-adrenergic stimulation, cardio selective for beta1 receptors at low doses with little or no effect on Beta2 receptors.

Capital:
Blocks β-1 sympathetic receptors to decrease heart rate, contractile force and blood pressure.

Question 4

Metoprolol Onset of Action

Answer 4

Capital:
1-2 Mins

Question 5

Metoprolol Duration of Action

Answer 5

Capital:
2 – 4 hours

Question 6

Metoprolol Indications

Answer 6

CT Protocols:
Tachycardia

Capital:
Atrial fibrillation and atrial flutter with rapid ventricular response in patients taking PO β-blockers.
Supraventricular tachycardia refractory to vagal maneuvers and adenosine

Question 7

Metoprolol Contraindications

Answer 7

Capital:
Bradycardia, High degree heart block, Hypersensitivity, Hypotension

Question 8

Metoprolol Side Effects/ Precautions/ Comments

Answer 8

Capital:
Weakness, Bradycardia, Heart block, Hypotension, CHF/pulmonary edema, Wheezing, Shortness of breath, Nausea, Dizziness, Syncope

Question 9

Metoprolol Adult Dose

Answer 9

CT Protocols:
Tachycardia
5 mg IV/IO over 2 – 5 minutes. May repeat every five minutes to a maximum of 15 mg as needed to achieve a ventricular rate of 90 – 100.
Capital:
5 mg IV/IO every 5 minutes; max 15 mg

Question 10

Metoprolol Pediatric Dose

Answer 10

Not Recommended

Question 11

Metoprolol
Max Dose Adult (Pediatric)

Answer 11

15mg

Question 12

Metoprolol Routes of Administration

Answer 12

IV/IO

Question 13

Metoprolol How Supplied

Answer 13

5mg/5ml Inj