The original EMS field guide has grown into the most used reference guide in EMS history, the one that EMS Magazine calls "the original and still the best." The Twenty-First Edition of the EMS Field Guide, ALS Version makes it easy for paramedics, nurses, and physicians to look up their patients' medications, check drug doses, quickly interpret 12-Lead ECGs, and much more New in the 21st edition: - Revised and updated content to reflect the most current...