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4 Cards in this Set
- Front
- Back
- 3rd side (hint)
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digoxin (Lanoxin) action
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(+) inotropic action - increase myocardial contractility
decrease myocardial O2 demand (-) chronotropic - decreased HR (-) dromotropic - decreased conduction velocity |
(+) inotropic
increases cardiac output: decrease sympthetic tone increase urine production (diuretic) decrease renin |
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digoxin (Lanoxin) indications
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Heart failure
dysrhythmias (a-fib) |
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What is therapeutic index of digoxin (Lanoxin)?
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0.5 - 2.0 ng/ml
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What signs of digitalis toxicity?
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anorexia (1st sign)
N/V/D fatigue visual disturbances increased risk with hypokalemia |
Normal K = 3.5-5
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