Ideal for any on-call professional, resident, or medical student, this highly templated, best-selling reference covers the common problems you'll encounter while on call in the hospital. On Call Principles and Protocols, 7th Edition, by Drs. Shane A. Marshall and John Ruedy, provides key information in time-sensitive, challenging situations. You'll gain speed, skill, and knowledge with every call - from diagnosing a difficult or life-threatening situation to prescribing the right medication. Features a logical, highly templated format so you can locate critical information quickly. Includes new content on COVID-19 in chapters on Viruses and Shortness of Breath and Fever. Covers essential topics such as Approach to Diagnosis and Management of On-Call Problems; Documentation; Assessment and Management of Volume Status; and HIV, HBV, HCV, Influenza, and the House Officer. Delivers consistent, easy-to-follow coverage of the most common on-call problems and approaches, including what to do from the initial phone call, Elevator Thoughts, how to immediately identify major threats to life, what to do at the bedside, and how to avoid common mistakes for every call. Provides updated content and references, as well as an extensively revised drug formulary of commonly prescribed medications, keeping you on the cutting edge of current, evidence-based information. Serves as the perfect bridge to clinical medicine for students transitioning to the hospital setting, a trusty peripheral brain for residents, and a handy reminder for more experienced practitioners. An eBook version is included with purchase. The eBook allows you to access all of the text, figures, and references, with the ability to search, customize your content, make notes and highlights, and have content read aloud.