Metoprolol

Question 1

Indications (3) for Metoprolol

Answer 1

❑ PO dose for patients with acute myocardial infarction (AMI) and no contraindications after the first 24 hrs of hospitalization
❑ Stable, narrow-complex tachycardias if rhythm remains uncontrolled or unconverted by adenosine or vagal maneuvers or if SVT is recurrent
❑ Control ventricular rate in patients with atrial fibrillation or atrial flutter

Question 2

What is the dosage for metoprolol?

(same for all 3 indications)

Answer 2

Treatment of SVT (post-adenosine) / Atrial Fibrillation / Atrial Flutter: 5 mg SIVP (over 1 -2 minutes) doses q 5 minutes prn to a total of 15 mg; total dose should not exceed 15 mg (vital signs must remain stable), once stable 50mg PO

Question 3

Contraindications (7) for Metoprolol

Answer 3

❑ Hypersensitivity
❑ CHF – severe LV failure
❑ Systolic blood pressure less then 100mmHg
❑ Cocaine use in last 24 hours with chest pain
❑ Heart block (greater than 1st degree or 1st degree with PRI > 0.24 secs)
❑ Bradycardia < 60 bpm
❑ Cardiogenic shock