<prompt> Arrhythmias are most common when adrenaline is used withHalothaneIsofluraneEnfluraneSevoflurane  <response>: Ans. a Halothane Ref. Anaesthesia by Ajay Yadav, 2ndpg. 60-62DRUGS CAUSING SENSITIZATION OF HEART WITH ADRENALINE Cyclopropane Chloroform Enflurane Halothane Trilene NO MethoxyfluraneAlso know:In terms of the extent of hepatic metabolism, the rank order for the inhaled anesthetics is methoxyflurane halothane enflurane sevoflurane isoflurane desflurane nitrous oxide. 