Introduction: Catheter ablation (CA) is an established therapy for most arrhythmias. Non-fl uoroscopic three-dimensional (3D) electroanatomic mapping systems allow ablation of supraventricular tachycardia (SVT) and atrial fl utter (AFL) with zero or near-zero fl uoroscopy (ZF/NZF). The current study aims to report our initial experience with ZF/... https://www.roneverhart.com/Hugger-Backpack-20L/