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umbilical cord is clamped 1st breath is taken & lungs begin to function
First few min of birth( heart rate) 120-180bpm
Heart rate after birth decrease to an average of 120-130bpm
May be hear during the neonatal period as a result of the changing dynamics of the cardiovascular system at birth Transient ( short time) functional cardiac murmurs
resulting from normal laor become stimuli for initating respirations Hypercapnia, hypoxia & acidosis
Surfactant (surface tension- reducing lipoprotein) is found? in newborns lungs that prevents alveolar collapse
Normal Lung functions dependent on surfactant which permits a decrease in surface tension at the end expiration
1 crucial adaptation that the newborn makes at birth? adjusting from fluid filled intrauterine enviorment to a gaseous exterine enviorment
Passage through birth conal allows intermittent compression of the thorax which helps eliminate the fluid in the lungs
Transiet tachypnea resiratory rate above 60bpm
Fluid removed too slowly/incompletely transiet tachypnea occurs
Situations that involve decreased thoracic compression Cesarean Birth
Repirations in newborns shallow/irregular, range 30-60breaths per min, w/ short periods of apnea(from 15-20sec of not breathing)
Signs of repiratory distress to observe Cyanosis, tachypnea, expiratory grunting, sternal retraction, & nasal flaring
Periodic Breathing the cessation of breathing that last 5-10 seconds w/out changes in color or heart rate
Average newborn temp 36.5 to 37.5C (97.9 to 99.7 F)
Termoregulation process of maintainig the balance between heat loss & heat production
Nurses play a key role in providing? An appropriate enviorment to help newborns maintain thermal stability
How do newborns lose heat thin skin w/blood vesels close to surface, Lack sivering ability to produce heat involuntarily, Lack of subcutaneous fat which provides insulation
Newborns struggles to maintain body temperature from the moment of birth when the newborn's wet body is exposed to much cooler enviroment of the birthing room
Conduction transfer of heat from one object to another , ie: a cold mattress, scale , cold hands
Convection the flow of heat from the body surface to cooler surrounding air, ie: open dorrs, windows, fans, air conditioners
Evaporation loss of heat when a liquid is converted to a vapor ie: sweating (drying newborn right after birth important need blankets and cap to prevent evaporation )
Radiation loss of body heat to cooler solid surfaces in close proximity but not in direct contact with the newborn
Iron Storage the term newborn has iorn stores sufficient to last approximately 4-6 months
when placenta is lost at birth maternal glucose supply is cut off, glucose levels decline, glucose main sourse of energy 4 first several hrs, start feedings help stabilize the newborns blood glucose levels
Newborns blood glucose levels assesed? heel stick sample of blood on admission to nursery and again @ 4hrs of age
what helps stable the new borns glucose levels? initiating feedings
Jaundice (icterus yellowing of the skin, scalera, and mucous membranes the results from an increase of bilirubin blood levels
meconium mix of amniotic fluid, shed mucosal cells, interstinal secreations, and blood
discription of meconium greenish -black , usally passed with in 12-24 hrs of birth
newborns that are fed earlier pass stool sooner, which helps reduce bilirubin build up
stool of brest fed newborns yellow gold, loose and stringy/pasty and sour smelling
stool offormula fed newborns yello, yellow- green, or greenis and loose/pasty and an unpleasant odor
average voids for newborns 6-8 = adequate fluid intake
80% of all circulating antibodies IgG( major immunoglobuin and most abundant)
Major source of IgA human breast milk
vision (least mature sense) able to focus on objects only in close proximity 7-12inch away
vision 2 tracks objects in midline or beyond 90inches
Newborns reflexes are assesed? to evaluate neurologic functions and development
first period of reactivity begins at birth and lasts for 30 min newborn alert and moving may appear hungry
apperance of sucking and rooting behaviors provide a good opportunity for initiating breast feeding
second period of reactivity begins when the newborn awakens and shows interest in enviormental stimuli. lasting avout 2-8 hrs in a normal newborn, b/c heart respiration and peristalsis increases, newborns pass meconium during this time
newborns like human faces and bright shiny objects
Created by: 100001738632153