Ms. Shiva Chauhan is an Assistant professor, Mharaja Agrasen medical University, New Delhi. She is an author with a strong academic background in medical–surgical nursing. With 8 years of experience in teaching and guiding nursing students, the author is dedicated to simplifying complex clinical concepts and making them easier to understand. This book has been written to support nursing students in building strong theoretical knowledge and practical competence for examinations and clinical practice. Shiva Chauhan is committed to improving nursing education through clear, student-focused learning resources.