(1) Health problem is the name of nursing diagnosis, and it is a description of the existing or potential situation of individual health. These problems all reflect the change of health status, but they can't explain the degree of change.
(2) Etiology, that is, related health problems or related factors or risk factors. The reason often refers to the direct factor that causes the problem. Related factors often refer to the related factors that cause problems.
(3) Signs and symptoms, a group of symptoms and signs observed in patients, are often important features of health problems.
For example, malnutrition P and obesity S are related to excessive dietary intake. E. Clinical nursing diagnosis is often the problem (or symptoms and signs)+cause (under definite circumstances, or related factors, such as PE or se formula, such as "postoperative wound causes pain" and "anxiety is related to worrying about unsatisfactory surgical results".