Information about the ZOLL® LifeVest® wearable defibrillator is now at your fingertips. This optional companion app helps patients learn about living with LifeVest, including how LifeVest works as well as how to assemble and care for the device. You can also find help topics, answers to common questions and instructional videos. Current patients can create a secure account to see their own Wear Time(TM) usage and Activity data to view trends over time.