Positive inotropic effect (increases force of myocardial contraction), prolongs refractory period, ↓ conduction through SA and AV nodes. Essentially digoxin is given to increase cardiac output and slow the rate.
What is the Therapeutic Class of Digoxin (Lanoxin)?
What is the Pharmacologic Class of Digoxin (Lanoxin)?
What are the Nursing Considerations of Digoxin (Lanoxin)?
Excreted by kidneys
Assess patient for hypersensitivity
Contraindicated with uncontrolled ventricular arryhtmias
Hypokalemia increase risk for toxcicity
Hypercalcemia ↑ risk for toxicity
Use caution with diuretic use as they may cause electrolyte abnormalities that can lead to toxicity
Assess patient for cardiac arrythmias including bradycardia
Signs of toxicity include vision changes (blurred vision, yellow, green vision disturbances)
Monitor pulse rate for 1 full minute prior to dosing patient (hold for pulse <60)
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