Clinical decision rules are algorithms used by medical practitioners to determine diagnosis, prognosis, and treatments for medical conditions. They are based on evidence-based medicine and are used to simplify the complexity of medical decision making. Clinical decision rules can help medical practitioners make decisions more accurately and efficiently, resulting in improved patient outcomes. Clinical decision rules have become increasingly important in modern medicine due to their ability to provide clear and objective guidance to medical practitioners. In addition, they can reduce time and cost associated with diagnostic and treatment decisions, reduce the risk of medical errors, and improve patient safety.