Propanolol (Inderal)

Question 1

Class

Answer 1

Beta adrenergic antagonist, antianginal, antihypertensive, antiarrhytmic class II

Question 2

Action

Answer 2

Nonselectiv beta antagonist that binds with both the beta1 and beta2 receptors. Inhibits the strength of the heart’s contractions, as well as heart rate. This results in a decrease in a cardiac oxygen consumption

Question 3

Indications

Answer 3

Angina; narrow-complex tachycardias that orginate from either a reentry mechanism (reentry SVT) or an automatic focus (junctional, ectopic, or multifocal tachycardia) uncontrolled by vagal maneuvers and adenosine in patients with preserved ventricular function; AF and atrial flutter in patients with preserved ventricular function; hypertension; migrane headaches

Question 4

Adverse Effects

Answer 4

Bradychardia, AV block, bronchospasm, hypotension

Question 5

Containdications

Answer 5

Cardiogenic shock, heart failure, AV block, bradycardia, pulmonary edema, sick sinus syndrome, known sensitivity. Use with caution in chronic lung diseases (asthma and COPD)

Question 6

Dosage (Adult)

Answer 6

1 to 3 mg IV, IO at a rate of 1 mg/min; may repeat the dose 2 minutes late

Question 7

Dosage (Peds)

Answer 7

.01 to .1 mg/kg slow IV, IO over a 10 min period

Question 8

Special Considerations

Answer 8

Monitor blood pressure and heart rate closely during administration. Pregnacy class C