This book focuses on improving decision-making capability by guiding the critical thinking process and application of theories. Problem-based learning is the best way to learn medicine. Every case in the book has some practical problem-related questions for the reader's selfevaluation, followed by correct answers, and discussion on relevant topics and management. The book provides basic knowledge of various clinical problems that are faced by physicians. It analyses appropriate approach in diagnosing and management of problems. Provides real diagnostic and management skills which can be applied by practitioners. The clinical cases are compiled in stepwise pattern for physicians that focus on appropriate scientific approach for suitable diagnosis.