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Heart Failure Drugs
Pharmacology and the Nursing Process
| Question | Answer |
|---|---|
| maintenance dose for digoxin | 0.125 - 0.5 mg/day |
| What class is digoxin? | cardiac glycosides |
| Tx uses for digoxin? | heart failure and A.Fib and atrial flutter |
| MOA of digoxin | positive inotropic and negative chronotropic |
| positive inotropic of digoxin? | inhibit Na pump; allows more Ca to stay in the cardiac cell l/t increased contractility |
| negative chronotropic of digoxin? | suppresses SA node; prolong refractory period |
| Tx uses for digoxin | heart failure; A.fib; atrial flutter |
| therapeutic level for digoxin | 0.5 - 2 ng/ml |
| Nursing considerations for digoxin | assess AP for full 60s; hold if <60 and >100; assess digoxin level |