It is not indicated for the latter two. Dosing remains the same as in previous guideline-3 mg is vagolytic and should be reserved for cardiac arrest patients. Class I for non-Q wave AMI and unstable angina. Atenolol, metoprolol, and propanolol effective at reducing occurrence of VF in fibrinolytic-ineliglible post MI patients. Diltiazem offers the advantage of producing less myocardial depression than verapamil.
End points remain the same.
Is Class IIa in managing AF and atrial flutter, IIb for preexcitation atrial arrhythmias and wide complex tachycardias of unclear origin. Oral form only available in US currently. Disopyramide, Flecainide, Ibutilide, propafenone- antiarrhythmics with unclear practicality and efficacy, particularly in compromised circulatory conditions. Can be given via ET tube. Digitalis- effective, but other agents preferred for initial management of atrial fibrillation.