Digoxin: Difference between revisions
(moved Digoxin to Digoxin Toxicity) |
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== Adult Dosing == | |||
*Loading dose = 0.25 mg IV q2hr until effect (max total = 1.5 mg | |||
== Contraindications == | |||
*WPW | |||
**Increases conduction velocity in atrial tissue | |||
== Indications == | |||
*RVR control in a-fib/flutter, PSVT | |||
== Mechanism of Action == | |||
*Inhibits NaK pump | |||
**Positive inotropy | |||
*Negative chronotropy/dromotropy | |||
**Indirect vagal stimulator | |||
== Adverse Drug Rxns == | |||
*GI - N/V, diarrhea, abd pain | |||
*CV - Bradycardia, SA/AV block, ventr arrhythmias | |||
== Kinetics == | |||
Onset of action = 1.5-4hr (IV) | |||
==See Also== | |||
*[[Digoxin Toxicity]] | |||
*[[Antiarrhythmics]] | |||
[[Category:Drugs]] | |||
Revision as of 21:50, 18 November 2011
Adult Dosing
- Loading dose = 0.25 mg IV q2hr until effect (max total = 1.5 mg
Contraindications
- WPW
- Increases conduction velocity in atrial tissue
Indications
- RVR control in a-fib/flutter, PSVT
Mechanism of Action
- Inhibits NaK pump
- Positive inotropy
- Negative chronotropy/dromotropy
- Indirect vagal stimulator
Adverse Drug Rxns
- GI - N/V, diarrhea, abd pain
- CV - Bradycardia, SA/AV block, ventr arrhythmias
Kinetics
Onset of action = 1.5-4hr (IV)