Page 203 - AACN Essentials of Critical-Care Nursing Pocket Handbook, Second Edition

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Flushing; dyspnea; nodal blocking effect half-life ( 10 seconds) May induce tachycardia and ischemia vision; numerous drug interactions, generally contraindicated in WPW Therapeutic range: 0.5-2.0 mg/mL

Comments increased by dipyridamole and decreased by theophylline and caffeine; very short Heart block; arrhythmias; nausea; yellow

6-mg rapid IV bolus; if ineffective, line total of 2 mg IV 0.125-0.375 mg PO/IV qd Abbreviations: AV, atrioventricular; MAT, multifocal atrial tachycardia; SR: sustained release; SVT, supraventricular tachycardia; WPW, Wolff-Parkinson-Wh

Dosage 12-mg rapid IV bolus 2 minutes later; follow bolus with fast flush; use smaller doses if giving through central venous 0.5-mg IV bolus; repeat q5min prn to Loading dose: 0.5 mg IV, then 0.25 mg IV q4-6h up to 1 mg; Maintenance dose:

Antiarrhythmic Agents (continued) Indications Conversion of SVT, including WPW Initial therapy for symptomatic bradycardia Slowing AV conduction in atrial fibrillation and atrial flutter

Agents Miscellaneous agents Adenosine Atropine Digitalis
7.4