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Digoxin (lanoxin)
Cardiac Glycoside. Treats heart failure and dysrhythmias (afib).
+ inotropic effect. increased force of myocardial contraction
- chronotropic effect: decreases heart rate.
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What is the therapeutic serum level for digoxin.?
0.5-2.0
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What electrolyte imbalance can digoxin cause?
hypokalemia
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What ca channel blocker can increase plasma levels of digoxen?
Verapamil
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What should the nurse do before administering digoxen?
- Check pulse rate. Notify provider is pulse rate is less than:
- Adults: <60, Children: <70, Infants: <90
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What are some signs of digoxin toxicity?
GI effects (usually the first sign) nausea, vomitting, abd pain,
CNS effects: fatigue, weakness, vision changes (diplopia, blurred vision, yellow-green or white halos around objets)
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for management of digoxin toxicity, what should the nurse give to the patient for brady cardia
Atropine
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For management of digoxin toxicity, what should the nurse give for dysrhtmias?
Phenytoin (Dilantin) or Lidocaine
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For excess Digoxen overdose, what can be used to bind digoxin and prevent absorption?
Activated Charcoal, cholestyramine, or Digibind
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Epinephrine (Adrenaline)
Catecholamine used for heart failure
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Dopamine (Intropin)
Catecholamine used for HF
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Dobutamine (Dobutrex)
Catecholamine used for HF
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Isoproterenol
Catecholamine used for HF
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Terbutaline
Noncatecholamine used for HF
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How does epinephrine help asthma
Hits Beta 2 receptors and bronchodilates
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Catecholamines of contraindicated in client who have?
Tachydysrhythmias and V-fib
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