Clinical reasoning and effective communication are fundamental skills for nurses working at an advanced level of practice. Clinical reasoning processes are designed to enable the nurse to establish the nature of a patient's presenting condition before focusing on problem-solving techniques that can guide the appropriate course of treatment. This article explores the concept of clinical reasoning in advanced practice and outlines the various approaches that nurses can take. It also details the role of effective communication in advanced practice. A case study is used to demonstrate the specific stages involved in clinical reasoning.