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Stages of Life
Prenatal Development
Duration: Development from conception to birth, lasting an average of 38-40 weeks.
Starting Point: Human development starts at conception.
Periods:
Zygote: The initial stage of development after conception.
Embryo: Stage following the zygote in the early weeks of pregnancy.
Fetus: Later stage of prenatal development.
Newborn Stage
Duration: Period from birth to 28 days after birth.
Infancy
Duration: Phase from 1 month to 1 year characterized by significant growth towards toddlerhood.
Toddlerhood
Duration: Phase from 12 months to 36 months when children begin to walk and run.
Preschool Age
Duration: Development during early childhood from ages 3 to 6 years.
Middle Childhood
Duration: Ages 6 to 12 years, bridging between preschool and adolescence.
Adolescence
Duration: Transitional stage from childhood to adulthood, roughly ages 12 to 20.
Young and Middle Adulthood
Duration: Spans from the end of adolescence to full adult status.
Late Adulthood
Definition: Age of individuals older than 65 years.
APGAR Scores
Purpose: Assessment of newborn health immediately at 1 and 5 minutes after birth.
Components:
Appearance: Skin color.
Pulse: Heart rate.
Grimace: Reflex response.
Activity: Muscle tone.
Respiration: Breathing effort.
Scoring Criteria
Each criterion is scored as follows:
0: Poor
1: Fair
2: Good
A total score of 7 or above is considered normal/ideal.
The highest score possible on the criteria is 10.
Characteristics of Development
Each developmental stage is characterized by diverse changes:
Physical Changes: Growth and bodily changes.
Cognitive Changes: Involvement of learning and understanding.
Emotional Changes: Development of feelings and emotional responses.
Kohlberg's Stages of Moral Development
Overview: Kohlberg’s moral development theory includes 6 stages categorized into levels.
Postconventional Reasoning: Occurs from adolescence through adulthood; decisions based on right/wrong and shared standard values with the community.
Social Contract Stage: Challenges rules that impede others' rights, emphasizing social contract integrity.
Maintaining Functional Capacity
Focusing on maintaining functional capacity is essential for health promotion in late adulthood.
Developmental Theories/Theorists
Sigmund Freud - Psychosexual Development
Concept: Adult personality develops by successfully navigating through psychosexual stages;
Unresolved conflicts can lead to personality issues.
Erik Erikson - Psychosocial Development
Concept: Eight stages of psychosocial development, each presenting a unique crisis impacting growth.
Example: Integrity vs. Despair in late adulthood.
Identity vs. Role Confusion in teenage years.
Jean Piaget - Cognitive Development
Concept: Focus on how knowledge is acquired and understood:
Main Theory: Knowledge construction occurs at critical developmental points.
Emphasis on children constructing knowledge in new ways as they develop.
Health Risks and Concerns Across the Lifespan
Prenatal Developmental Concerns
Down Syndrome (Trisomy 21)
Definition: Caused by an extra copy of chromosome 21 leading to physical and cognitive challenges.
Risk Factors: Older women (geriatric pregnancies) have the highest risk.
Impact: Most common genetic cause of intellectual disabilities.
Spina Bifida
Definition: A defect where the neural tube fails to close, causing spinal protrusions and neurological damage.
Contributing Factors: Decreased maternal folic acid increases risk.
Fetal Alcohol Spectrum Disorders
Impact: Result from alcohol in the mother's blood affecting fetal development.
Physiological Development in Adulthood
Autism Spectrum Disorder
Definition: A developmental disorder impacting social interactions, communication, and behavior.
Alzheimer's Disease
Pathology: Characterized by the build-up of specific proteins in the brain.
Prevalence: Accounts for 60-80% of dementia cases; significant changes in the brain associated with this disease.
Vascular Dementia
Definition: Caused by changes in blood vessels leading to impaired oxygen supply to neurons.
Risk Factors: Stroke victims are at high risk; constitutes 5-10% of dementia cases.
Lewy Body Dementia
Definition: Characterized by deposits of alpha-synuclein, which disrupt neuron signaling.
Prevalence: Also constitutes 5-10% of dementia cases.
Links with Parkinson's disease.
Frontotemporal Dementia
Description: A rare form typically seen in individuals under 60 years of age, increasing tau and TDP-43 proteins lead to neuron loss.
Note: Results in loss of speaking abilities.
Mixed Dementia
Definition: Combination of symptoms from multiple types of dementia confirmed through diagnostic imaging.
Alzheimer's Disease (General)
Overview: Leading cause of dementia characterized by progressive memory and cognitive decline, severely affecting daily functioning.
Terminal Sedation
Definition: Administered to patients with a do-not-resuscitate (DNR) order who are experiencing intolerable suffering not relieved by other treatments.
Hospice and Palliative Care
Postmortem Care Steps:
Utilize nonsterile gloves and personal protective equipment (PPE) as needed.
Wash the deceased body, comb hair, and dress in a clean gown.
Provide family participation options and privacy during viewing.
Remove medical tubes per agency policy.
Appropriately return belongings of the deceased.
Postmortem Kit Contents
Items typically include:
Identification tag
Ties
Chin strap
Gauze
Bags for personal items
A body bag/shroud
Ethical Principles in Healthcare
Justice: Fair treatment and distribution of healthcare resources.
Nonmaleficence: Obligation not to inflict harm intentionally.
Beneficence: Duty to promote the welfare of patients.
Fidelity: Commitment to maintaining trust in the patient-provider relationship.
Cultural and Spiritual Needs
Cultural Affiliations: Influence patient perceptions of illness and end-of-life issues.
Importance of Assessments: Conduct thorough cultural and spiritual assessments.
Therapeutic Communication: Essential with patients in discussions regarding cultural care.
Cultural Needs
Considerations include:
Views on end-of-life care.
Adherence to cultural rituals.
Spiritual Needs
Involvement of religious staff can be significant.
Hope Assessment (H.O.P.E.):
H: What provides a sense of hope, peace, or strength?
O: Is religion important to you?
P: What are your spiritual beliefs and practices?
E: How has your illness influenced your life’s meaning?
Palliative Care for Dying Process
Indicators of Dying Process
Symptoms Include:
Fatigue
Drowsiness
Confusion or terminal delirium
Decreased interest in food and fluids
Reduced urinary output
Skin mottling
Development of decubitus ulcers
Decreased cerebral perfusion
Cheyne-Stokes respirations
Stages of Death
Early Stage
Middle Stage
Late Stage
Medical Orders for Life-Sustaining Treatment (MOLST)
Advanced Directives
Definition: Legal documents guiding end-of-life decisions when patients cannot express their wishes, including living wills and medical powers of attorney.
Dying Process/Stages of Death
Key Indicators: Can include fatigue, drowsiness, confusion, decreased food/fluid intake, and the development of specific physical signs mentioned above.
Clinical vs. Brain Death
Brain (Biological) Death
Definition: Determined by no electrical activity on an electroencephalogram (EEG) or absence of blood flow to the brain.
Indicators:
Apnea
Loss of brainstem reflexes
Coma with a known cause
Clinical Death
Definition: Cessation of heart and lung function while brain viability may still be present.
Potential Restoration: Function may be restored through cardiopulmonary resuscitation (CPR).
Consequences: Irreversible brain damage can occur after just 4 minutes without oxygen, resulting in death as early as 4 to 6 minutes later.
Confirmation of Brain Death
Criteria:
Irreversible cessation of all brain functioning resulting in apnea.
Coma with a known cause.
Absence of brainstem reflexes.