Clinical aptitude is a quality that implies constant improvement to adapt to changing medical and patient situations in order to be able to favourably influence the patient's health condition. Therefore, it is important to address clinical competence in the educational process. In this book, the clinical practice on appendicitis, we can see the importance of decision-making in patient care, because this is where the medical art is expressed, and education is expected to contribute to improving health care and quality of life. It is clear that the family doctor or any medical specialist should be alerted to any abdominal pain that may be acute appendicitis, as well as make the diagnosis and act, this diagnostic capacity is based on the clinical aptitude of our health professionals.