Conceptual definition of nursing diagnosis.
A theoretical and conceptual framework is a list of concepts interrrelacionados provides a way of thinking about:
- The concept of customer (individual and environment)
- Goal of nursing.
- Nursing Interventions

Methodological definition of nursing diagnosis
The idea of methodological concept tells us how to get to a diagnosis through the nursing hierarchy of needs “phenomenon” and the actions of the nursing care.
The methodological concept of nursing diagnosis is the conclusion of the assessment that allows the design and construction plan of care through the collection of information, interpretation of data …
Campbell defines the nursing diagnosis from a methodological point of view as the identification of subjective responses, and the establishment of the changes that you must enter the nurse for the changes occurring.

In summary, the diagnosis comes from the Greek word dia-gignoskein, which is known through, analyze the nature of a situation. Thus we can define the diagnosis as the identification of the nature of a situation or health problem and the possible cause of it. Clinical trial on a response from the person to life processes and health problems. A necessity is that the individual must meet in order to remain within a state of health or within normality.

One problem is the result of an unmet need to which the person responds in different ways, is what we call symptoms (emotional, physical, verbal or not).

One hypothesis is an assumption, assumption, conjecture, or starting point of an argument that should be supported by a body of theoretical knowledge or approved by science, must be comparable and possible to prove scientifically.

Structure of nursing diagnosis
The essential components of nursing diagnoses are based on the PES format, the following:
1. Health problem, is the title or label, is the concise description of the problem.
2. Etiology, the factors that contribute to this cause the problem.
3. Signs and symptoms are the manifestations that are often in the diagnosis in particular.