Cardiac Glycoside

Question 1

digoxin trade names

Answer 1

APO- Digoxin, Lanoxin

Question 2

digoxin drug class

Answer 2

cardiac glycoside

Question 3

digoxin expected effect

Answer 3

inhibits Na/K ATPase pump making more calcium for contractile proteins, increasing cardiac output. Increases force contraction & decrease AV speed

Question 4

digoxin why use

Answer 4

heart failure, atrial fibrillation

Question 5

digoxin routes admin

Answer 5

IV, IM, PO

Question 6

digoxin adverse effects

Answer 6

AV block, dysrhythmias

Question 7

digoxin nursing implication

Answer 7

assess apical pulse for 1 min before giving, if pulse less 60 adult take again in 1 hour. If still less 60 describe pulse to prescriber.
Assess: electrolytes, renal studies, blood studies

Question 8

digoxin doses

Answer 8

loading:
IV 8-12mcg/kg, admin 50% then give 1/4 loading dose twice, assessing clinical response
PO 10-15mcg/kg loading dose, admin 50% initially, then give 1/4 loading dose, assessing clinical response

maintenance
PO 3.4-5.1mcg/kg/day ; may ^ q2weeks
IV/IM 0.1-0.4mg, IM route not preferred