OverviewBuy 4 of the EMS Field Guide, ALS Version field guides, and get the 5th free! The original EMS field guide has grown into the most used reference guide in EMS history. This is the guide that EMS Magazine calls 'The original and still the best.' The Nineteenth Edition of the EMS Field Guide, ALS Version has been updated with the new 2010 CPR and ACLS algorithms from the AHA. This handy guide makes it easy for paramedics, nurses and physicians to look up their patients' medications, check drug doses, quickly interpret 12-Lead EKGs and much more! Like all of our field guides, this is the resource you'll use in class and take with you throughout your career in the field. All Informed professional field guides are 3x5, fit easily in your pocket, have color-coded tabs, and are waterproof, alcohol-fast and durable.