AdenosinediltiazemDual AV nodal pathwaysDysrhythmia that is RefractorySupraventricular Tachycardia (PSVT)verapamil7 Min Read Steve SmithonJanuary 6, 2026 Narrow complex tachycardia; it recurs after adenosine. What should we do now? A 50-something male presented with palpitations. He had a fever and hypotension (BP 80/40). His volume status was low by ultrasound (flat…