needs. The continuum encompasses the range of health states from homeostasis (or wellness) to a disruption in the state of health in which basic needs are not met or maintained (illness), with health problems of varying acuity occurring along the continuum that must be prevented or resolved to maintain wellness or an optimal level of functioning (WHO, 2006). Although all APRNs are educationally prepared to provide care to patients across the health wellness-illness continuum, the emphasis and how implemented within each APRN role varies.

The Certified Registered Nurse Anesthetist

The Certified Registered Nurse Anesthetist is prepared to provide the full spectrum of patients’ anesthesia care and anesthesia-related care for individuals across the lifespan, whose health status may range from healthy through all recognized levels of acuity, including persons with immediate, severe, or life-threatening illnesses or injury. This care is provided in diverse settings, including hospital surgical suites and obstetrical delivery rooms; critical access hospitals; acute care; pain management centers; ambulatory surgical centers; and the offices of dentists, podiatrists, ophthalmologists, and plastic surgeons.

The Certified Nurse-Midwife

The certified nurse-midwife provides a full range of primary health care services to women throughout the lifespan, including gynecologic care, family planning services, preconception care, prenatal and postpartum care, childbirth, and care of the newborn. The practice includes treating the male partner of their female clients for sexually transmitted disease and reproductive health. This care is provided in diverse settings, which may include home, hospital, birth center, and a variety of ambulatory care settings including private offices and community and public health clinics.

The Clinical Nurse Specialist

The CNS has a unique APRN role to integrate care across the continuum and through three spheres of influence: patient, nurse, system. The three spheres are overlapping and interrelated but each sphere possesses a distinctive focus. In each of the spheres of influence, the primary goal of the CNS is continuous improvement of patient outcomes and nursing care. Key elements of CNS practice are to create environments through mentoring and system changes that empower nurses to develop caring, evidence-based practices to alleviate patient distress, facilitate ethical decision-making, and respond to diversity. The CNS is responsible and accountable for diagnosis and treatment of health/illness states, disease management, health promotion, and prevention of illness and risk behaviors among individuals, families, groups, and communities.



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