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Fuster V, Olshansky B, Follow your doctor's instructions carefully.
Assessment.
Amiodarone is a potent antiarrhythmic agent that is used to treat ventricular arrhythmias and atrial fibrillation. Barr A. Onset of the antiarrhythmic effect of intravenous amiodarone occurs in less than 30 minutes.In the Advanced Cardiac Life Support (ACLS) guidelines published in 2000, amiodarone and procainamide are recommended for the initial treatment of hemodynamically stable wide-complex tachycardia.Typical amiodarone dosages in the ACLS setting are provided in 150-mg IV bolus over 10 minutes (if necessary, bolus may be repeated in 10 to 30 minutes); then 1 mg per minute for 6 hours; then 0.5 mg per minute for 18 hours; then reduce IV dosage or convert to oral dosing when possible.800 to 1,600 mg per day in divided doses until a total of 10 g has been given; then 200 to 400 mg per day.Bradycardia, QT prolongation, GI upset, constipation; rarely, torsades de pointes600 to 800 mg per day in divided doses until a total of 10 g has been given (may use higher initial dosage or IV dosing in unstable inpatients); then 200 mg per dayBradycardia, QT prolongation, GI upset, constipation; rarely, torsades de pointes150-mg IV bolus over 10 minutes (if necessary, bolus may be repeated in 10 to 30 minutes); then 1 mg per minute for 6 hours; then 0.5 mg per minute for 18 hours; then reduce IV dosage or convert to oral dosing when possible.800 to 1,600 mg per day in divided doses until a total of 10 g has been given; then 200 to 400 mg per day.Bradycardia, QT prolongation, GI upset, constipation; rarely, torsades de pointes600 to 800 mg per day in divided doses until a total of 10 g has been given (may use higher initial dosage or IV dosing in unstable inpatients); then 200 mg per dayBradycardia, QT prolongation, GI upset, constipation; rarely, torsades de pointesIntravenously administered amiodarone is being used with increasing frequency in the acute treatment of atrial fibrillation.
There are multiple well-established side effects of amiodarone. The long half-life is thought to be a result of the drug's slow release from lipid-rich tissues.Amiodarone is considered to be a class III drug (Vaughan Williams classification), which indicates that it prolongs the QT interval. All rights Reserved. Klein H, Allerdings wird es durch die von ihm induzierte Verlängerung des Aktionspotentials und der Refraktärzeit im Myokard den Klasse III-Antiarrhythmika nach Vaughan Williams zugeordnet. Laboratory studies to assess liver and thyroid function should be performed at least every six months. Multicenter Unsustained Tachycardia Trial Investigators [Published erratum appears in N Engl J Med 2000;342:1300].
However, primary care practitioners may be expected to continue prescribing amiodarone and to monitor the person for adverse effects (depending on locally agreed shared care guidelines). Physicians' desk reference. The dosage of amiodarone should be kept at the lowest effective level.
Humbert L, Examples include azole antifungals (such as Amiodarone can slow down the removal of other medications from your body, which may affect how they work. Hagens VE, Wyse DG, Gelaznikas R, Digoxin-quinidine and digoxinamiodarone interactions: frequency of occurrence and monitoring in Australian repatriation hospitals.
56th ed. (H&P = history and physical examination; HF = heart failure; PT = prothrombin time; INR = International Normalized Ratio; PFT = pulmonary function test; DChecklist for the monitoring of adult patients taking amiodarone. Hilleman DE, Klein H, CLINICAL ALERT! The drug prevents the recurrence of life-threatening ventricular arrhythmias and produces a modest reduction of sudden deaths in high-risk patients.
Brindis RG,
Get emergency medical help if you have signs of an allergic reaction to amiodarone: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
CLINICAL ALERT! Hall WJ,
However, the drug has many other effects: it slows heart rate and atrioventricular nodal conduction (via calcium channel and beta-receptor blockade), prolongs refractoriness (via potassium and sodium channel blockade), and slows intracardiac conduction (via sodium channel blockade).The relationship between plasma amiodarone concentrations and effect, as well as the contribution of the metabolite DEA, is not well established.Amiodarone is approved for use in the secondary prevention of life-threatening ventricular arrhythmias. Guedon-Moreau LM,
Assessment . Effect of prophylactic amiodarone on mortality after acute myocardial infarction and in congestive heart failure: meta-analysis of individual data from 6500 patients in randomised trials.
Effectiveness of implantable defibrillators for preventing arrhythmic events and death: a meta-analysis. Molnar J, Ojamaa F.
Consult your Are you planning to see a doctor about switching your medication?Are you planning to see a doctor about switching your medication?Selected from data included with permission and copyrighted by First Databank, Inc. Daubert JP,
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