Newborn

  • April 2020
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APGAR Scoring Newborn’s first assessment „ „ „ „

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Evaluates viability of the newly born Determines need for immediate recusitation Performed by RN, Peds, neonatologist Done potentially at 1,2,5, 10 minutes and thereafter until stable Most term newborns evaluated at 1 and 5 minutes Score written as: 8/9, range 0-10

Asphyxia „

Arises from inadequate or absent respiration ‰ ‰

„

Impairment of oxygen/carbon dioxide exchange Hypoxemia, hypercarbia, respiratory acidosis

APGAR Scoring 0

1

2

Color

Absent

Body pink, extremities blue

Pink

Tone

Flaccid

Flexed

Reflexes

Absent

Some flexion Grimace

Respiratory effort

Absent

Heart rate

Absent

Slowirregular <100

Lusty cry Strong cry >100

Asphyxia (continued) „

Management ‰ ‰

Tactile stimulation Positive pressure ventilation with 100% oxygen

Assessment findings ‰

Poor tone, gasping or absent respirations, bradycardia, cyanosis, low Apgar score

1

Resuscitation and Stabilization in the Delivery Room „ „ „

Dry and provide warmth, tactile stimulation Clear airway Resuscitation for compromised infants ‰ ‰ ‰ ‰

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Function of respiration switches from the placenta to the lungs Factors responsible for onset of breathing ‰ ‰ ‰ ‰

„ „

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Hypercapnia Hypoxia Acidosis Environment (cold, light, noise)

Fluid in the lungs must be cleared Pulmonary arterioles dilate, PVR level falls

Resuscitation for compromised infants (continued) ‰ ‰

Place under radiant warmer, stimulate Position to ensure a patent airway Suction using appropriate technique Evaluate respirations, heart rate, color

Pulmonary System Transition „

Resuscitation and Stabilization in the Delivery Room (continued)

‰

Administer oxygen if indicated Bag-mask ventilation if apneic Medications may be indicated if infant does not respond

Cardiac System Transition „

Pressure in right side of the heart falls and pulmonary venous return to left atrium increases ‰

„

„

Foramen ovale closes due to these changes

Ductus arteriosis constricts and closes functionally by 96 hours Ductus venosis constricts and closes functionally by two to three days

2

Thermoregulation „

„ „

Body heat lost easily due to large body surface area in relation to weight Limited neonatal fat stores Limited capacity for heat production ‰

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„

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Dry infant, remove wet blankets Apply a hat and warm blankets Avoid placing infant on cold surfaces Avoid placing infants in drafts

Normal axillary temperature is 97°F–99.5°F ‰

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Brown-fat metabolism is primary heat source

Nursing Interventions to Prevent Hypothermia „

Thermoregulation (continued)

Hypothermia is <97.0

Goal is to keep infant in a neutral thermal environment

Nursing Interventions to Prevent Hypothermia (continued) „ „

Use heat source when bathing infants Place under radiant warmer if temperature is unstable

3

Metabolic Transition „

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„

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Infant’s source of nutrition from the placenta terminates at birth Blood sugar reaches its lowest point one to three hours after birth Glucose stabilizes by four to six hours after birth Range of 45–80 mg/dl is normal

First Period of Reactivity „ „

First minutes after birth Characteristics ‰

„

Alert, active, sucking activity, tachycardia, tachypnea, transient rales and nasal flaring

Implications for the family ‰ ‰

‰

Infant alert and responsive Allow quiet time for family to be together Introduce breastfeeding

Gastrointestinal System „

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At birth abdomen is flat and bowel sounds are absent Abdomen becomes rounded and soft with onset of respirations Bowel sounds usually audible within 15 minutes of birth

Period of Decreased Activity „

„

Follows first period of reactivity Characteristics ‰

Less alert and active, sleep may occur, vital signs normalize

4

Period of Decreased Activity

Second Period of Reactivity

(continued) „

Implications for the family ‰

‰ ‰

Family may stay together or infant may be taken to nursery for assessment Opportunity for parents to have quiet time Mother may use this time to rest

„

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Infant awakens and shows increased responsiveness to the environment Characteristics ‰

„

Implications for the family ‰ ‰

Assessment After Transition

Peristalsis increases and meconium may be passed, gagging, spitting up Allow time together if mother is rested Parents may begin to have questions or need assistance with newborn care

Assessment After Transition (continued)

„

Temperature ‰

„

Normal axillary temperature 97°F–99.5°F

Cardiovascular system ‰ ‰

Normal heart rate 120–150 bpm Observe color, pulse, murmurs

„

Respiratory system ‰ ‰ ‰ ‰

Normal rate is 30–60/minute Nose-breather Observe for flaring, grunting, retracting Auscultate for rales

5

General Nursing Care „

Eye prophylaxis ‰ ‰

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Vitamin K administration

Vitamin K prophylaxis (0.5–1.0 mg) ‰ ‰

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Eye prophylaxis

Prevents gonorrhea and chlamydia Erythromycin or tetracycline ointment IM into lateral thigh Prevents bleeding due to Vitamin K deficiency

First bath ‰

Institute measures to prevent hypothermia First bath

General Assessment „

Position ‰

‰

„

‰

„ „

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Acrocyanosis Jaundice

Body size Reactivity Identification

Weight 2,500–4,300 g

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Length 45–54 cm

Color ‰

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Flexion of upper and lower extremities Symmetrical movement

Physical Examination

„

Head circumference 33–38 cm

„

Vital signs

6

Gestational Age Assessment „

Neuromuscular maturity ‰ ‰ ‰ ‰ ‰ ‰

Posture Square window Arm recoil Popliteal angle Scarf sign Heel-to-ear

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Skin Assessment

Physical maturity

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Skin Lanugo Plantar surface Breasts Eye and ear Genitalia

„

‰ ‰ ‰ ‰ ‰ ‰

Normal findings: color pink Common variations ‰ ‰ ‰ ‰

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Milia Erythema toxicum Mongolian spots Birthmarks

Mongolian spot

Common problems ‰ ‰ ‰ ‰

Petechiae Blisters, lesions Plethara Abnormal hair distribution Birthmark

Head, Eyes, Nose, and Throat Assessment „

Normal findings ‰ ‰

„

Head, Eyes, Nose, and Throat Assessment (continued)

Symmetry in appearance, normal placement Anterior fontanel open

Caput succedaneum

Cephalhematoma

Common variations ‰ ‰ ‰ ‰

Molding Caput succedaneum Cephalhematoma Teeth

7

Head, Eyes, Nose, and Throat Assessment (continued) „

Common problems ‰ ‰ ‰ ‰ ‰ ‰ ‰

Low-set ears Discolored sclera (yellow, bluish) Cleft lip, palate Absent red reflex Microcephaly, hydrocephaly Craniostenosis Features characteristic of FAS

Cardiovascular Assessment „

Normal findings ‰ ‰

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Color pink Normal rate and rhythm

Common variations ‰ ‰

Respiratory System Assessment „

Normal findings ‰

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Symmetrical expansion

Common variations Accessory nipples Gynecomastia

Common problems ‰ ‰ ‰

Retractions Tachypnea Rales

Clearing the infant’s mouth with a bulb syringe

Cardiovascular Assessment (continued) „

Common problems ‰ ‰ ‰

Persistent murmurs Cyanosis Tachycardia, bradycardia

Murmurs Acrocyanosis

8

Abdominal Assessment „

Normal findings ‰ ‰

„

Abdominal Assessment (continued) „

Round, full, symmetrical, plus bowel sounds Two arteries, one vein in cord

‰ ‰

Common variations ‰

‰

Hernia

Genital and Anal Assessment

Common problems

‰

Two-vessel cord Distension, absent bowel sounds Discharge/leakage from the cord Abdominal mass

Genital and Anal Assessment (continued)

„

Normal findings ‰ ‰ ‰

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Patent anus Testes descended Stool and urine by 24 hours after birth

„

Common problems ‰ ‰ ‰

Undescended testes Epispadius, hypospadius Imperforate anus

Common variations ‰ ‰

Hydrocele Hymenal tag and vaginal discharge

9

Musculoskeletal Assessment

Musculoskeletal Assessment (continued)

„

Normal findings ‰

„

‰

Normal findings ‰

„

‰

Normal reflexes (suck, rooting, grasp, Moro, Gallant, gag, Babinski’s)

Common problems ‰ ‰ ‰ ‰ ‰

‰ ‰

Hip click Club foot

Neurologic System

Brachial plexus injury (Erb’s palsy) Spina bifida Anencephaly Absent or abnormal reflexes Seizure activity

Common problems ‰

Common variations ‰

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„

Normal tone, flexion, symmetrical movement

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Fracture (clavicle most common) Hip dysplasia Syndactyly/polydactyly Asymmetrical movement Simian crease

Periodic Shift Assessment „ „ „ „ „

„

Vital signs Weight Feeding and elimination Hydration status Respiratory and cardiac function Hip movements

10

Factors Placing the Infant at Risk „

Physical ‰

„

Psychological ‰

„ „ „

Birth injuries, congenital conditions, temperature control Interferences in interaction between parents, newborn

Family Environment Illness and infection

11

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