On Call: Emergency Room Stories, Volume 4 takes readers further into the intense and unpredictable world of the ER, where every moment counts. This volume showcases a new series of medical emergencies, from the urgent effort to revive a drowning victim to the complex treatment of a severe case of food poisoning. Each story is narrated from the perspective of the emergency room doctors and staff, providing an inside look at the high-stakes decisions, rapid problem-solving, and unwavering commitment required in this demanding field. With detailed medical diagnoses, thorough treatment plans, and diverse patient outcomes, On Call: Volume 4 captures the extraordinary challenges and rewarding triumphs that define the ever-challenging landscape of emergency medicine.