A unique, open-system based perspective that provides a unifying focus for approaching a wide range of concerns, A client system in interaction with the environment delineates the domain of nursing concerns
System Models
system models
Betty Neuman
major concepts
wholistic approach
open system
client system
clients are seen as whole whose part are in dynamic interaction, All 5 variables are affecting the client system simultaneously: physiological, psychological, sociocultural, developmental and spiritual
wholistic approach
Continuous flow of input, process, output and feedback
open system
A composite of the variables (physiological, psychological, sociocultural, developmental and spiritual)
client system
Basic structure
lines of resistance
normal line of defense
flexible line of defense
Lines of resistance serve as protection factors that are activated by stressors penetrating the normal line of defense
lines of resistance
It represents the adaptational level of health developed over the course of time and serves as the standard by which to measure wellness deviation.
normal line of defense
It is perceived as serving as a protective buffer for preventing stressors from breaking through the usual wellness state as represented by the normal line of defense.
flexible line of defense
3 levels of protection
primary
secondary
tertiary
Environmental factors classified as intrapersonal (within yourself), interpersonal (relationships with other people), and extrapersonal (environmental) factors
stressors
degree of reactions
prevention as intervention
reconstitution
Interventions are purposeful actions to help the client retain, attain, or maintain system stability. They can occur before or after protective lines of defense and resistance are penetrated.
prevention as intervention
Reconstitution occurs after treatment for stressor reactions. It represents return of the system to stability, which may be at a higher or lower level of wellness than before stressor invasion
reconstitution
a unique profession that is concerned with all of the variables affecting clients in their environment
Nursing
A continuum from wellness to illness that is dynamic in nature and is constantly changing
Health
The internal and external forces surrounding the client, influencing and being influenced by the client