Class II

Question 1

Class II

MOA-

Answer 1

Beta adrenergic blockers block beta-receptors, causing a depression of phase 4 of the action potential

Question 2

Class II

Indications-

Answer 2

Treatment of supraventricular tachycardia and PVCs

Question 3

Class II

Contraindications-

Answer 3

• Sinus bradycardia
• AV Block
• Cardiogenic shock
• CHF
• Asthma
• Resp. depression
• Preg/Lact

Question 4

Class II

Caution-

Answer 4

• Diabetes
• Thyroid Dysfunction
• Renal/Hepatic dysfxn

Question 5

Class II

Adverse Effects-

Answer 5

-Related to the effects of blocking beta receptors in the SNS
-CNS: Dizziness, insomnia, dreams and fatigue
-Resp: Bronchospasm and dyspnea
CV: Hypotension, bradycardia, AV block, arrhythmias
GI: N/V, anorexia
Misc: Loss of libido, decreased exercise tolerance, alterations in blood glucose levels

Question 6

Class II

Drug-Drug

Answer 6

• Verapamil (increased risk of AE)
• Insulin (beta blockers mask s/sx of hypoglycemia)
• take BS more often and be aware of risk

Question 7

Class II

Names-

Answer 7

• Acebutolol
• Esmolol
• Propranolol (P)