Dr. Luis Tatem, a triple-boarded physician in Internal Medicine, Infectious Diseases, and Critical Care, dives into the complexities of fever in ICU patients. He discusses diagnostic strategies for fevers, especially in travelers returning from low-income countries, emphasizing the need for thorough travel history. Engaging case studies on malaria, dengue, and typhoid illustrate the critical urgency in managing these tropical diseases. Tatem’s expertise highlights the importance of collaborative care and staying informed about regional infections for effective treatment.