Lee Y, et al. - Given postoperative nausea and vomiting continues to be a significant concern for patients receiving general anesthesia for percutaneous radiofrequency catheter ablation and cryoablation for tachyarrhythmias, researchers focused on the incidence as well as risk factors for nausea and vomiting in the recovery room. They performed a retrospective review of 611 children (aged > 2 and ≤ 18 years, mean age = 13.3 ± 3.9 years) who underwent general anesthesia for a percutaneous radiofrequency catheter ablation or cryoablation for a tachyarrhythmia between January 1, 2013, to January 1, 2016. The study sample comprised 54.5% male. A mean length of anesthesia was 3.9 ± 1.0 hours. The occurrence of vomiting or retching in the postanesthesia care unit was reported in 7.4% of patients and the occurrence of nausea in an additional 12.4%. Overall 95 patients (15.5%) had a composite of nausea and vomiting. In patients undergoing general anesthesia for electrophysiologic ablation procedures, a lower rate of postoperative vomiting was predicted by a shorter anesthetic time and a subhypnotic propofol infusion.