Assertion: intravenous amiodarone | /r/DistinctFrom | oral form
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Source sentences:
text: Both oral and intravenous forms increase AV node refractoriness and intranodal conduction time, but as opposed to the oral form, intravenous amiodarone produces hardly any increase in the effective refractory period of most of the other myocardial tissues such as atrial, ventricular, His-Purkinje tissue and accessory pathways.