Clinical Education Clinical Reasoning & Diagnostic Reasoning: From Theory to Bedside How to identify a patient's problems, focus on what matters most, and determine the underlying cause — a framework every NP must master. NP Chronicles • Clinical Practice Series Every patient encounter is a puzzle. The patient's words, vital signs, lab values, and physical findings are individual pieces, and your job as a clinician is to assemble them into a coherent clinical picture that points toward the right diagnosis and the right plan. The cognitive engine that drives this assembly process is clinical reasoning — and the specialized application of clinical reasoning to arriving at a diagnosis is diagnostic reasoning . Whether you are a new NP just entering autonomous practice or a seasoned provider looking to sharpen your skills, understanding how these reasoning processes work (and where they fail) is fundamental to safe, high-quality patient care. The stakes are real: research cons...