Digoxin nursing pharmacology NCLEX (cardiac glycosides) review on the mechanism of action, nursing implications, teaching, and digoxin toxicity.

Digoxin is a cardiac glycoside that helps the heart pump efficiently. It does this by inhibiting the normal function of the sodiumpotassium pump.

This will alter how the heart contracts. In addition, this medication alters the rate of how fast/slow the heart beats and how fast/slow the impulses are conduction through the electrical conduction system.

Therefore, Digoxin creates the following actions on the heart: positive inotropic, negative chronotropic, and negative dromotropic actions

All of these actions together cause the heart to empty more efficiently and increase stroke volume. This will in turn increase cardiac output.

Digoxin nursing implications include: monitor for Digoxin toxicity (nausea, vomiting, anorexia, yellowgreenish halos in vision, and dysrhythmias), Digoxin toxicity can be caused from a low potassium level, high calcium level, or low magnesium level, the nurse also wants to measure the apical pulse for one full minute prior to administration

Teaching for this drug includes: how to monitor for toxicity, diet high in potassium if the patient if they are on a potassiumwasting drug, how to count the heart rate etc.

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Notes: https://www.registerednursern.com/dig...

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