Lanoxin Flashcards
(25 cards)
What is the classification of Lanoxin?
Lanoxin is classified as a cardiac glycoside.
What is the primary action of Lanoxin?
Lanoxin increases the force of myocardial contraction and decreases heart rate.
What is the standard adult dosage range for Lanoxin?
The typical adult dosage range is 0.125 to 0.25 mg daily.
True or False: Lanoxin is indicated for the treatment of atrial fibrillation.
True
Fill in the blank: Lanoxin is commonly used to treat _____ heart failure.
congestive
What are common adverse effects of Lanoxin?
Common adverse effects include nausea, vomiting, and visual disturbances.
What serious adverse effect can occur with Lanoxin use?
Toxicity, which can lead to arrhythmias, is a serious adverse effect.
True or False: Lanoxin has no known drug interactions.
False
List one medication that interacts with Lanoxin.
Amiodarone is one medication that interacts with Lanoxin.
What should be monitored in patients taking Lanoxin?
Patients’ serum digoxin levels and renal function should be monitored.
What is a key consideration when prescribing Lanoxin?
Adjustment of dosage may be necessary in patients with renal impairment.
Which electrolyte imbalance can increase the risk of Lanoxin toxicity?
Hypokalemia can increase the risk of Lanoxin toxicity.
True or False: Lanoxin can be given intravenously.
True
What is the mechanism of action of Lanoxin?
Lanoxin inhibits the sodium-potassium ATPase, leading to increased intracellular calcium.
What condition is NOT treated with Lanoxin?
Hypertension is NOT treated with Lanoxin.
What is the half-life of Lanoxin in adults?
The half-life of Lanoxin is approximately 1.5 to 2 days.
Fill in the blank: Lanoxin is primarily eliminated by the _____ system.
renal
What symptom might indicate Lanoxin toxicity?
Visual disturbances such as seeing halos around lights may indicate toxicity.
What should be done if a dose of Lanoxin is missed?
If a dose is missed, it should be taken as soon as remembered, unless it’s close to the next dose.
True or False: Lanoxin can be used in pediatric populations.
True
What is the primary therapeutic effect of Lanoxin?
The primary therapeutic effect is improved cardiac output.
What is the trade name for digoxin?
Lanoxin is the trade name for digoxin.
Which patient population may require a lower dose of Lanoxin?
Elderly patients may require a lower dose due to altered pharmacokinetics.
What is one contraindication for using Lanoxin?
Ventricular fibrillation is a contraindication for Lanoxin use.
