Respiratory Care Calculations Revised: 4th Edition by David W. Chang offers comprehensive guidance on the essential calculations that Respiratory Therapists need for effective clinical practice. This edition equips readers with the tools necessary to solve complex respiratory equations, understand variable interplay, and apply this knowledge in real-world scenarios. Filled with practical information designed to enhance both learning and application, it includes self-assessment questions formatted for NBRC exams, ensuring a robust understanding of key concepts. Ideal for students and experienced professionals alike, this book is an indispensable resource for anyone involved in respiratory care.