Abrams Chapter 27

What is the primary goal of drug therapy for dysrhythmias?

• Increase cardiac output

• Restore normal heart rhythm and conduction

• Decrease blood volume

• Promote clot formation

Which of the following is a Class I antiarrhythmic drug?

• Propranolol

• Lidocaine

• Amiodarone

• Diltiazem

Class II antiarrhythmic drugs are also known as:

• Potassium channel blockers

• Calcium channel blockers

• Beta blockers

• Sodium channel blockers

Which drug is a Class III antiarrhythmic agent?

• Verapamil

• Amiodarone

• Quinidine

• Lidocaine

A major adverse effect of amiodarone is:

• Pulmonary fibrosis

• Hypertension

• Hyperglycemia

• Renal failure

Verapamil and diltiazem are classified as which type of antiarrhythmic?

• Class I

• Class II

• Class III

• Class IV

Which electrolyte imbalance can trigger or worsen dysrhythmias?

• Hyperglycemia

• Hypercalcemia

• Hypokalemia

• Hypophosphatemia

Which medication is commonly used to treat ventricular arrhythmias?

• Lidocaine

• Atropine

• Digoxin

• Diltiazem

Which of the following is an appropriate use of adenosine?

• A. Atrial fibrillation

• B. Supraventricular tachycardia

• C. Ventricular tachycardia

• D. Sinus bradycardia

What is the mechanism of action of beta blockers in dysrhythmia management?

• Block calcium channels

• Increase AV node conduction

• Decrease sympathetic stimulation to the heart

• Enhance sodium influx