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8 Cards in this Set
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What is the action/effect of Lanoxin?
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Inhibits the sodium-potassium ATPase pump which makes more calcium available for contractile proteins, resulting in increased cardiac output
positive inotropic effect = increases contractile strength of heart negative chronotropic effect = decreases beats per minute decreases AV conduction speed |
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What is a priority assessment before giving Lanoxin? Why?
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check apical pulse for one full minute
>60, give med. <60 wait one hour and recheck; still low, call Dr. Note rate, rhythm, character, monitor ECG continuously during parenteral loading dose |
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What are the uses of Lanoxin (digoxin)?
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Heart failure, atrial fibrillation, atrial flutter, atrial tachycardia, cardiogenic shock, paroxysmal atrial tachycardia
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What are the side effects of Lanoxin (digoxin)?
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CNS: Headache
CV: Dysrhythmias, hypotension, AV block EENT: YELLOW-GREEN HALOs |
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What priority lab value should be checked before giving Lanoxin (digoxin)?
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Digoxin level: 0.5-2.0
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What should be monitored closely with Lanoxin (digoxin)?
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Look for signs of dehydration and decreased urine output (more concentrated)
lower fluid = higher heart rate |
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What is the therapeutic effect of this drug
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decreased wt., edema, pulse, resp. crackles; increased urine output
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What is the functional class of Lanoxin (digoxin)
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Cardiac glycoside, inotropic, antidysrhythmic
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