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16 Cards in this Set
- Front
- Back
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Name a med.
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digoxin (lanoxin)
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Inhibit?
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sodium-potassium pump, increases intracellular Ca, which causes heart muscle fibers to contract better
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Increases force of?
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myocardial contractility
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Cause a ____.
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negative chronotropic action, which slows the heart rate
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The increase in myocardial contractility increases ____.
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cardiac, peripheral, and kidney function by increasing CO, decreasing preload
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What happens to fluid with dig administration?
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fluid retention in lungs and extremities is decreased, edema decreased
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Used for what disease processes?
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heart failure, cardiogenic shock, a-tachy, a-fib, a-flutter
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Contraindications?
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2nd-3rd degree heart block, renal disease, hypokalemia
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Side effects?
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bradycardia, visual disturbances
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Toxicity?
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confusion, bradycardia, heart block, PVC
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Therapeutic dig level
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0.5-2
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Increased risk of toxicity exists in clients with _____.
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hypercalcemia, hypokalemia, low mag, or hypothyroidism
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What electrolyte imbalance can cause dig toxicity?
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hypokalemia
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Eat foods high in ____.
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potassium, fruits, veggies and potatoes
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Withhold the med if ____.
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heart rate is lower than 60
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Antidote for dig?
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Digibind
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