Digoxin Flashcards
digoxin is considered what kind of drug?
cardiac glycoside
mechanisms of action
decreased HR, increased force and velocity of contractions, decreased automaticity and AV node conduction.
the main indication is what?
heart failure
thoughts on quality of life or death?
improves symptoms but no impact on life or death.
watch out for this condition
hypokalemia- toxicity occurs
side effects indicating toxicity?
bradycardia, headache, visual disturbances.
IV is absorbed how quickly?
30 minutes
how long is the half life?
on what condition?
36 hours with normal renal function
if the apical pulse is below 60, we do what?
hold the dose
this method called _____ is quickly achieving a therapeutic level in the blood.
digitalization
dosage, route, time, and frequency for digitalization and the dose after it’s established?
0.25 mg, IV, every 6 hours, and for 4 doses.
1 mg daily by IV, essentially.
You then give 0.25 mg/day.
IV administration needs what?
a cardiac monitor
normal digoxin therapeutic levels
0.8-2.0
