EMS Field Guide ALS Version Author:Paul LeSage, Paula Derr, Jon Tardiff The 18th ed. EMS Field Guide ALS Version contains a newly updated drug section along with enhanced illustrations for a better understanding of the material. This 3" x 5" pocket-sized guide has color-coded tabs so that paramedics, nurses and physicians can easily look up patients' medications, check drug doses, quickly interpret 12-Lead EKGs and ... more »review the latest CPR and ACLS algorithms from the AHA. All Informed guides are waterproof, alcohol-fast and 'street tough'. Digital and iPhone application versions of this guide are now available for use on both handheld devices and computers.« less