Can the HeartStart FRx be used on both adults and children? Yes, the HeartStart FRx has a special key that adjusts the defibrillation therapy and CPR guidance for pediatric patients. By WebFX|2026-03-23T05:44:29-08:00March 23rd, 2026|AED DEFIBRILLATORS FAQ|0 Comments Share This Story, Choose Your Platform! FacebookXRedditLinkedInWhatsAppTumblrPinterestVkXingEmail