iOS 8: Information can be the critical difference between proper care and wasting time in an emergency.

To get started, kick off the Health app in iOS 8.

Tap the Medical ID menu in the bottom right, and select “Create Medical ID.”

Check the “Show When Locked” function.

Fill out the corresponding information, including Allergies, Reactions, Blood punch in, and Emergency Contact.

How to set up your emergency Medical ID with iOS 8’s new Health app| AppleInsider