4. newborn (2)
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Growth and
Development: TheNewborn Baby
Manal Kassab
Nur. 346
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Fetal Circulation: CirculatoryPathways
Placenta:
The organ responsible for1. Delivery of nutrients
2. Removal of waste products
3. Delivery of oxygenatedblood to the fetus.
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Circulatory Pathways:
Fetal lungs: Are filled with fetal lung liquid
not used to oxygenate blood. Because the alveoli are filledwith liquid
most of the arteries and arterioles are surrounded by
liquid which increases resistance to blood flow through thevessel
This results in most of the blood flow bypassing the lungsand therefore directed to the systemic periphery.
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Figure 21-33a
Placental Blood SupplyB l ood f l ows t o t hep l a cen ta:
through a pair ofumbilicalarteries which enter umbilicalcordB l ood r e tu rn s f r omp l a cen ta:
in a single umbilical veinwhich drains into ductusvenosus (l iver(Ductus venosus:
empties into inferior venacava
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Umbilical vein & DuctusVenosus: Average oxygen saturation of blood
is 80% in the umbilical veinbefore it mixes with unoxygenated
blood in the ductus venosus. After mixing, the oxygen saturation
is approximately 67%.
Circulatory Pathways:
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2Fetal Pulmonary
Circulation Bypasses1.Foramen ovale:
Inter-atrial opening
covered by valve-like flap
directs blood from right to left atrium
2.Ductus arteriosus:
short vessel connects pulmonary andaortic trunks
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Foramen ovale: The majority ofinferior venacava blood flow crosses theforamen ovale and into theleft atrium bypassing the lungs,
some blood flow enters the rightventricle.
The foramen ovale is anatomicalopening between the right atriumand left atrium which closesshortly after birth.
Circulatory Pathways:
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Ductus arteriosus: A vessel that connects the
main pulmonary artery tothe aorta.
Circulatory Pathways:
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The blood flow that does enter the right atrium(mainly from the superior vena cava) enters the
right ventricle and then the main pulmonary arterywhere the blood flow then enters the ductusarteriosus which connects to the aorta.
Once again, most blood flow bypasses the lungs
and is directed to the systemic circulation. Bloodflow is flowing in a right to left direction. Theductus arteriosus should functionally close within15 hours and structurally within a few weeks (inmature infants).
Circulatory Pathways:
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Umbil ical arteries: 2 vessels that allows unoxygenated
blood to flow from the descendingaorta back to the placenta.
Circulatory Pathways:
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Changes at Birth
The First Breath: The lungs are filled with air
instead of fluid. Higher oxygen levels in theblood and alveoli filled with
air instead of fluid allows forvascular resistance to decrease. This results in a greaterincrease in pulmonary
blood flow.
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Anatomical Changes: Placenta is removed from circulation
Higher pressure in the left atrium due toincreased pulmonary blood flow cause the foramanovale to close Higher concentrations of oxygen in the blood,decreased prostaglandin levels and decreased
pulmonary vascular resistance closes the ductusarteriosus When the umbilical cord is clamped, the umbilical vein
closes, systemic vascular resistance is increasedand this causes the ductus venosus to close.
Changes at Birth
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14Figure 28.13
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Physiologic adjustment toextrauterine life: First period of reactivity:
lasts for hour, baby is alert & exhibit exploringsearching activities, making sucking sounds, rapidH.R & R.R.
Resting period: lasts 90 minutes, baby generally sleeps, slower H.R
& R.R.
Second period of reactivity: between 2-6 hours of life. Baby is a wake, gagging
and choking on mucus. Gain alert & responsive and interest to surrounding.
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Assessment of well being:
Apgar Scoring Is an assessment scale
applied at 1 minute, 5 and10 minutes after birth.
Give a score (0,1, or 2) foreach sign.
It serves as a baseline forfuture evaluation.
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Apgar scoreA score under 4 is in
serious danger and need
resuscitation.A score of 4-6 may need
clearing of the airway
and O2 supplement.A score of 7-10 is good
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Weight: differs depending on the race, nutritional, intrauterine
and genetic factors. Normal rates 2.7-4.0 kg
Newborn loses 5-10% of birth weight during the1st few days because of: No longer under the influence of salt & fluid-retaining maternal
hormones. Diuresis: to remove part of body fluids. Limited by low caloric content of colostrum. Time needed to establish sucking. Stools.
The Newborn Baby
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The Newborn Baby Recaptures birth wt within
10 days
Head-to-heel length: birthlength is 4853 cm
H.C: 33-35 cm.
C.C: 2 cm less than H.C.
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Classification of infants based ongestational ages and birth weights
Preterm or premature: infant bornbefore the end of 37 weeks,regardless of weight
Term or full term: born between38 & 42 weeks, regardless of weight Postterm: an infant born after42weeks regardless of weight Low birth weight: any infant at birth
who weighs less than 2.500 gm
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Small for gestational age(SGA): any newborn whose weight is below the 10 th percentile(according to intrauterine growthcurve)
Appropriate for gestation age(AGA): any newborn whoseintrauterine growth has been normalfor that length of gestation
Large for gestational age(LGA): any infant born whoseweight is above the 90 thpercentile regardless of gestation Intrauterine growth restrict ion(IUGR): failure of fetus to grow as
expected during gestation
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Flexion posture
Looks, red or cyanotic
Body covered with varying
amount of lanugo andvernix caseosa.
Appearance of newborn
http://www.pregnancy-leads-to-new-babies.com/Pregnancy-Babies-And-Baby-Makes-Three.html -
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Vital signs Temp:
37.2 at birth fall because of heat loss, littles.c fat & immature tempreature.
Regulating center (drying, wrapping, & putthem under the radiant heat + kangaroocare).
Pulse: 120-160 bpm. at the moment of birth to 180 bpm. 1 hour after birth to 120-140 bpm.
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Respiration: first few minutes 80 b/m to 30-60 b/m when newborn at rest. Usually irregular with short periods of apnea
Blood pressure:
80/60 mm/Hg at 10th day to 100/50 mm/Hg.
Vital signs
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HeadLarge head, overridden sutures
Head molded to fit cervix.
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Caput succedaneum: Edema of the soft scalp t issue at the presenting part of the
head. Accumulation of serum in the tissues above the bone Cross suture lines Disappear in few days
Head
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Head Cephalhematoma:
Localized collection ofblood between theskull bone and its periosteum May involve one or both parietal bones Weeks to resolve
Dose not cross sutures
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Caput succedaneum
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cephalheamatoma
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Molding of infants head
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Fontanelles
6 fontanel les. Anterior fontanelle, diamond shaped, 2.5-4 cm, will closes at
12-18 mon.
Posterior fontanelle, triangular, 0.5-1.0 cm, closed at 2 mon.
Pair of anteriolateral fontanelle close at 3 mon.
Pair of posteriolateral fontanelle close at 12 mon.
http://www.youtube.com/watch?v=KfrLqTzaXq0
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Head Laghttp://www.youtube.com/watch?v=WkoGQldC8qU&NR=1
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Eyes: tearless cry (lacrimal ducts mature at 3months)
permanent eye color between 3-12 mon.
Ears: pinna tends to bend easily. Nose: large for face. Mouth: prominent, large, & short tongue.
Natal teeth are unusual. Thrush indicates candida infection.
Neck: short & chubby with many folds. Head lags
http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0 -
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Skeletal system Arms are slightly longer than legs. Hands clenched into fists. 3 normal creases. Flat sole of the feet
Hips inspect for symmetryskin folds shouldmatch
ortolani maneuver for hip dysplasia Check for tufting of hair at base of spine
(spina bifida, occulta) Clubfoot
Absence of limb or digit
http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0 -
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Skin
Vernix casoesa
Acrocyanosis
Lanugo Bruising, petechiae from
birthing
Mongolian spotsgenerally back andbuttocks
Milia
http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0 -
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Milia Small, whitish-
yellow papules
found close tothe skin surface
Particularly
common aroundeyes andmidface
http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0 -
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Skin Down syndromesimian
crease on palm
Strawberry marknevous
Vasculosushemangioma
Erythema toxicum-newbornrash
http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0 -
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Strawberry marknevous
VasculosushemangiomaErythema toxicum
Vasculosushemangioma
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Chest: looks small (compared to head), Engorged breasts (maternal hormone) Ronchi because of mucus
Abdomen:
protuberant. Bowel sound should be present within an hour. Umbilical cord white gelatinous structure with red & bluestreaks for the 1st hour.
Begin to dry breaks free by 6th- 10th day. Check for concave abdomen
Appearance of newborn
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Resting 100-160 > 160 or < 100 should be reevaluated Blood volume: 80-85 ml/kg, average about 300 ml but
can have an additional 100 ml if cord is not cut inreasonable length of time
Hg 14-24 g/dl Infant Hgb Fhigher O2 affinity Hgb A production largely replaces Hgb F by 4months Iron stores good for 5 months Blood coagulation: born with long coagulation time
(lower level of vit. K).
Circulatory & hemopoietic
http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0 -
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GI SYSTEM
Baby learns to coordinate breathing, sucking and swallowing Bacteria not present in gut vitamin k
Digestion of simple CHO and protein (Starches and fats arenot easily digested at this time)
Feeding variescues hand to mouth movement and suckingfingers intensify when hungry
Prevent regurgitation by not overfeeding, frequent burping and positioning the head slightly elevated
http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0 -
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GI 2 Stoolmeconiumgreenish
black
Stools change and the
stooling pattern change
indicates good bowel
functioning
Color time and character of
first stool should bedocumented.
Diarrhea stoolloss of fluid
quickly
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Patent anus (check forimperforate anus).Meconium within 24 hour.
Male genitalia: edematous scrotum, check forundescended testicles, epi or hypospadias.
Female genitalia: swollen vulva (maternal
hormones), pseudomenstruation. bloodtinged vaginal discharge caused by maternalestrogen's effect on a baby girl's
Anogenital
http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0 -
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Passive immunity from mom (IgG)
Immunoglobulins gradually develop and
completed about 6 months old
High risk of infection in first few month
abnormal discharges or rashes should be
evaluated
Immune system
http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0 -
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Renal system Should void in first 24 hour
Frequency depends on intake
Not able to concentrate urine (1
st
3 mon) May see blood in diaper of female
Birth defect Hypospadias (Male only) Extrophy of bladder
(bladder inside-out)
http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0 -
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Hepatic system Iron storage
Conjugation of bilirubinfunction not well developed at birth
Physiologic jaundiceafter 24 hrspreterm increase and moresevere
Pathologic jaundicebefore 24 hrs Kernicterusbil l iruben higher than 25(neurological condition that occurs in some newborns with severe
jaundice)
Early stage: Extreme jaundice; Absent startle reflex; Poor feeding
http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0 -
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The newborn is born with certain specificresponses that are triggered by specific stimuli
Some of these reflexes, such as rooting andsucking, appear to have survivalimplications Other reflexes appear to be precursors for
later voluntary motor behavior The newborns reflexes may also give
information about the health of the childsnervous system.
Neuromuscular system
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Sucking Onset: ~28weeks GA
Well-established: 32-34 weeksGA
Disappears: starting around 12months
Elicited by the examiner stroking
the lips of the infant.
http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0 -
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This reflex begins when the corner of the
baby's mouth is stroked or touched. The
baby will turn his/her head and openhis/her mouth to follow and "root" in the
direction of the stroking. This helps the
baby find the breast or bottle to begin
feeding.
http://www.youtube.com/watch?
v=xneStHZ0Kho&feature=related
Rooting
http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0 -
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The Moro reflex is often called a startle reflexbecause it usually occurs when a baby is startled
by a loud sound or movement. In response to thesound, the baby throws back his/her head, extendsout the arms & legs, with fingers extended in cshape, cries, then pulls the arms and legs back in.lasts about five to six months.
http://www.youtube.com/watch?v=PhOleckx1-Y&feature=re
Moro Reflex
http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=KfrLqTzaXq0http://www.youtube.com/watch?v=PhOleckx1-Y&feature=relatedhttp://www.youtube.com/watch?v=PhOleckx1-Y&feature=related -
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Grasp reflex Stroking the palm of a baby's
hand causes the baby to close
his/her fingers in a grasp. Thegrasp reflex lasts only a couple ofmonths and is stronger inpremature babies
http://www.youtube.com/watch?v=FV-qWSVNFt8&NR=1
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When a baby's head is turned to one side,
the arm on that side stretches out and the
opposite arm bends up at the elbow. lastsabout six to seven months.
http://www.youtube.com/watch?
v=UWqafotPxTg&feature=related
Tonic Neck Reflex
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Babinski reflex
When the sole of the foot is firmly
stroked, the big toe bends back toward
the top of the foot and the other toes fan
out. This is a normal reflex up to about 2
years of age.
http://www.youtube.com/watch?v=oI_ONptx2Ns&NR=1
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Step reflex This reflex is also called the
walking or dance reflex because a
baby appears to take steps ordance when held upright with
his/her feet touching a solid
surface.
http://www.youtube.com/watch?v=cZYHwCWSKiE&feature=related
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Senses
Hearing: able to hear in utero, within days after birth hearing
become acute
Vision: see as soon as they are born (blinking reflex).
Cant follow objects past the midline.
Best focus on black & white.
Newborns see best using peripheral vision (out of the corner
of their eyes)
and when objects are about 9-12 in. 22.86-30.48 cm( away.
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Touch: The sense of touch in newborns is
well developed, particularly around the
mouth. They are sensitive to temperature,pressure, and pain.
Smell: well developed, newborns are often
able to recognize the smell of their mother
within the first few days of life. Taste: prefer sweet tastes and usually do not
like sour, bitter, and salty tastes.
Senses
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The Newborns States
Sleeping Newborns sleep an average of16-18
hours daily. Newborns usually follow a sleep-wake
cycle of around 4 hours of sleepfollowed by 1 hour of wakefulness.
By 3 or 4 months newborns usuallysleep through the night.
http://basilio.jammrock.com/Avery/images/unhappy.jpg -
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The Newborns States Crying Basic Cry
Starts softly and builds in volume andintensity. Often seen when the child ishungry Mad Cry
More intense and louder Pain Cry
Starts with a loud wail, followed by longpause then gasping. Be calm and patient Do not shake baby Know signs of emergencies
http://basilio.jammrock.com/Avery/images/unhappy.jpg -
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