Digitalis (Digoxin/Lanoxin)

Question 1

Class (3)

Answer 1

• Cardiac glycoside
• Inotrope
• Antiarrhythmic

Question 2

Actions (2)

Answer 2

• Positive inotropic agent

- Decreases conduction velocity through the AV node

Question 3

Indications (3)

Answer 3

• CHF
• Afib
• A flutter

Question 4

Contraindications (2)

Answer 4

• Signs of dig toxicity
• SVT that may be due to accessory pathways, ie. WPW or LGL (b/c it decreases the refractoriness of the accessory pathway bypass tract and may produce a more rapid ventricular response, VF/VT)

Question 5

Side Effects (4)

Answer 5

• Cardiac arrhythmias: Atach w/block, PACs/PVCs, ventricular bigeminy, VT, accelerated junctional or nonparoxysmal junctional tach, high levels of block
• Anorexia, abd cramps, diarrhea, N/V, weakness
• Visual disturbances (blurred yellow/green vision, halo effects)
• Mental confusion