15.1 AACN Synergy Model Overview

Key Takeaways

  • Synergy occurs when nurse competencies match the child's and family's characteristics and needs, producing optimal outcomes across the 20% Professional Caring & Ethical Practice domain
  • Eight patient characteristics (resiliency, vulnerability, stability, complexity, resource availability, participation in care, participation in decision-making, predictability) are scored Level 1 (highest nursing need) to Level 5
  • Eight nurse competencies (clinical judgment, advocacy/moral agency, caring practices, collaboration, systems thinking, response to diversity, clinical inquiry, facilitation of learning) are scored competent (1) to expert (5)
  • Outcomes are patient-/family-derived, nurse-derived, or system-derived — PICU length of stay is system-derived; family satisfaction and the child's functional recovery are patient-/family-derived
  • In pediatrics the unit of care is always the child plus family; assignment and escalation decisions should match high-need, low-predictability children with expert competency
Last updated: July 2026

Synergy as the Organizing Frame for Professional Caring

The AACN Synergy Model for Patient Care is the conceptual framework beneath CCRN Pediatric certification and organizes the entire Professional Caring & Ethical Practice domain — about 20% of the exam (roughly 25 of 125 scored items). Its central premise is tested relentlessly: synergy occurs when the competencies of the nurse match the characteristics and needs of the patient (and family), and that match produces optimal outcomes. Technology, protocols, and physician orders matter, but they do not define synergy. The needs and characteristics of the child and family drive the competencies nurses must bring to the bedside. When the match is close, the child moves toward recovery and safe passage; when there is a mismatch — an unstable, highly complex infant paired with novice-level competency, or an over-resourced nurse on a stable, predictable patient — outcomes suffer and resources are wasted.

In pediatrics the unit of care is never the child alone. AACN deliberately extends the unit to the family and community, because an acutely or critically ill neonate, infant, child, or adolescent is inseparable from caregivers who provide history, consent, comfort, and continuity. Parents and guardians are simultaneously partners in care and people under extreme stress. Exam items that treat family presence, language access, or shared decision-making as optional "soft extras" are almost always wrong; those behaviors are Synergy competencies applied to the pediatric unit of care.

The model also defines three levels of outcomes you may be asked to classify:

  • Patient-/family-derived — functional recovery appropriate to developmental stage, family satisfaction, quality of life, absence of complications, successful bonding and attachment support.
  • Nurse-derived — physiologic improvement attributable to nursing interventions, prevention of complications, achievement of care goals.
  • System-derived — PICU length of stay, cost, resource utilization, unplanned readmission.

A classic item asks you to sort outcomes: "reduced PICU length of stay" is system-derived, whereas "parents report understanding the plan and feeling included in rounds" or "the toddler returns to baseline play and oral intake" is patient-/family-derived.

The Eight Patient Characteristics

Each child is described by eight characteristics, each rated on a continuum from Level 1 to Level 5. By AACN convention, Level 1 is the most acute/challenging state requiring the greatest nursing involvement, and Level 5 is the least.

#CharacteristicDefinitionLevel 1 (most nursing need) → Level 5
1ResiliencyCapacity to return to a restorative level of function using compensatory and coping mechanismsMinimally resilient → highly resilient
2VulnerabilitySusceptibility to actual or potential stressors that may adversely affect outcomesHighly vulnerable → minimally vulnerable
3StabilityAbility to maintain a steady-state equilibriumMinimally stable → highly stable
4ComplexityIntricate entanglement of two or more systems (body, therapies, family dynamics)Highly complex → minimally complex
5Resource availabilityTechnical, fiscal, personal, psychological, and social resources the child/family bringFew resources → many resources
6Participation in careExtent to which child/family engages in delivering careNo participation → full participation
7Participation in decision-makingExtent to which child/family engages in decisionsNo participation → full participation
8PredictabilityCharacteristic allowing one to expect a certain course of illnessNot predictable → highly predictable

Directionality — the common trap

Watch the direction: high vulnerability and high complexity describe a sicker child (scored toward Level 1), while high resiliency, stability, predictability, resource availability, and participation describe a child/family who are doing better (scored toward Level 5). These characteristics fluctuate hour to hour. A toddler with septic shock may be minimally stable and highly vulnerable on admission, then migrate toward Level 4–5 as perfusion normalizes. An adolescent with new-onset diabetic ketoacidosis may have high physiologic complexity but strong family resources and high participation once teaching begins — the Synergy match must update as those scores move.

Pediatrics adds nuance to participation. A neonate cannot participate in care or decisions; parental participation becomes the proxy. A school-age child may participate in care (helping with incentive spirometry, choosing which arm for IV) while still having limited decision-making authority. An adolescent with capacity may participate heavily in both. Exam vignettes often hinge on whether the nurse recognizes developmental stage and parental proxy when scoring participation characteristics.

The Eight Nurse Competencies

Mirroring the characteristics are eight nurse competencies, each rated 1 (competent) to 5 (expert). In pediatric critical care, three carry heavy emphasis within Professional Caring I: clinical judgment, advocacy/moral agency, and caring practices. Clinical inquiry is introduced here as the evidence-facing competency and is developed further with caring practices in Section 15.3. The remaining competencies — collaboration, systems thinking, response to diversity, and facilitation of learning — continue in later Professional Caring chapters.

#CompetencyOne-line definition
1Clinical judgmentClinical reasoning, decision-making, and a global grasp of the situation combined with nursing skill
2Advocacy / moral agencyWorking on the child's and family's behalf; resolving ethical and clinical concerns as a moral agent
3Caring practicesCompassionate, vigilant, therapeutic environment that promotes comfort and prevents suffering
4CollaborationWorking with child, family, and the interprofessional team toward realistic goals
5Systems thinkingManaging environmental and system resources across care settings
6Response to diversityRecognizing and incorporating individual differences (culture, language, family structure, ability) into care
7Clinical inquiryOngoing questioning and evaluation of practice; evidence-based innovation
8Facilitation of learningFacilitating learning for children, families, staff, and community

PICU worked example — matching need to competency

A 4-month-old with bronchiolitis progresses to respiratory failure, is intubated, and develops fluid-refractory septic shock requiring vasoactive infusions. Parents are non-English-speaking, have no local support, and have never experienced critical illness. Synergy scoring places this infant low (Level 1–2) on stability, resiliency, and predictability, with high vulnerability and complexity and limited resource availability and participation. The model predicts need for a nurse operating at expert (Level 4–5) competency in clinical judgment, caring practices, advocacy, response to diversity (language access), and facilitation of learning. Matching that high-need infant–family unit to high-competency nursing is the essence of synergy — and the rationale behind acuity-based assignment, charge-nurse escalation, and mentoring of less experienced staff at the bedside.

Origins, Dynamics, and Exam Application

AACN's Certification Corporation developed the Synergy Model in the 1990s to link certified nursing practice directly to patient outcomes, answering, "What difference does certified critical-care nursing make?" Competencies follow a novice-to-expert progression aligned with Patricia Benner's work: a Level 1 (competent) nurse relies on rules and protocols, while a Level 5 (expert) nurse grasps situations intuitively and holistically and reshapes the plan. The model is dynamic and bidirectional — as a child's characteristics shift, demanded competencies shift, and staffing should reflect that match.

On CCRN Pediatric items, expect a brief PICU vignette followed by a request to identify the characteristic in play, the matching competency, or the outcome category. Keep the lists straight: characteristics describe the child/family, competencies describe the nurse, and the goal is always to close the gap between them. When Professional Caring scenarios mention "safe passage," "family as unit of care," or "matching nurse expertise to patient need," they are testing Synergy fluency — not sentimental language.

Test Your Knowledge

According to the AACN Synergy Model, optimal outcomes for a critically ill child are MOST likely when:

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B
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D
Test Your Knowledge

A toddler with fluid-refractory septic shock is minimally stable, highly vulnerable, and has parents with limited English proficiency and no local support. Which Synergy pairing BEST describes the assignment implication?

A
B
C
D
Test Your Knowledge

Reduced PICU length of stay after a quality improvement bundle is BEST classified as which Synergy Model outcome type?

A
B
C
D