Digoxin nursing pharmacology (NCLEX) mnemonic covering mechanism of action, toxicity, and side effects.

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Digoxin is a cardiac glycoside that works by increasing the strength of the heart’s contractions and slowing down the heart rate. It is used clinically to treat atrial fibrillation and heart failure. Digoxin has a narrow therapeutic range, and side effects are seen above dose levels of 2 ng/mL. The risk of toxicity is increased with hypokalemia, so patients should have their potassium levels monitored closely. The earliest sign of digoxin toxicity is GI distress, and later signs include bradycardia, vision changes, and arrhythmias. The apical pulse should be monitored for a full minute before administration, and the digoxin dose should not be given if the heart rate is less than 60 minutes beat per minute.

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