Newborn Care Fundamental Flashcards
Sensory capabilities of newborns
- Fetuses have their own temperament
- Readiness for social interaction – with healthy, term newborns
- Newborns can see (blink reflex), can see the parents face further away at 6mths, black and white contrast to start, develop colour later
- Newborns are also drawn to round objects - built in survival feature to know where to go (the breast)
- Newborns can hear (same amniotic fluid left can cause muffled sound) – 1 in 3000 will have a hearing deficit upon newborn screening; can cause speech and learning deficits
- A lot is going on inside before they are able to vocalize it
- Babies can recognize and hear heart sounds, voice, smelling and voice of parent
- When born; place baby S2S with ammonitic fluid on parent to recognize smell
- Newborns can hold eye contact (not for as long as us); but have the ability to focus
Influencing factors of newborn behavioural adaptations
1) Gestational age – premature babies have a much lower threshold around stimulus, coping with stimulation, they becomes overwhelmed easier
2) Time – from birth, from last sleep, from last feed; newborns become more organized over time
3) Stimuli – loud noises, bight lights; can sense a nervous or tense parent who is holding them; smoothing effect of oxytocin helps
4) Medication – IM injection of different types of meds for labour goes directly into fetal bloodstream; can cause drowsiness; effect of epidurals and regional anesthesia still under research and inconclusive (need to account while assessing newborn)
Sleep-Wake States
Sleep states (2)
• Deep sleep
• Light sleep
Awake States (4)
• Drowsy
• Quiet alert – best state to interact with a newborn
• Alert
• Crying – can indicate their needs and wants; there are many different types of crying
Newborn Assessment Phases
1) Immediate (at birth)
2) Complete (head-to-toe)
3) Ongoing (until discharge home)
Purpose of the immediate newborn assessment
- Swift evaluation of adaptation to extrauterine life (including APGAR)*
- Airway maintenance
- Body temperature maintenance*
- Brief focused physical exam*
- Promote parent-newborn bonding*
- Universal medication administration*
- Overall are looking for: Gross abnormalities, congenital deformations, how they are adjusting to extrauterine life
- Done while skin-to-skin (S2S)
Nursing interventions during the immediate newborn assessment
- Assess HR, RR, Temp
- Measurements – head circumference (occipital to frontal), length, sometimes will do a chest circumference
- Weight – can compare before discharge
- ID bands – security; anti-infant abduction system
- Diaper, cap, safe swaddle
- Vitamin K and Erythromycin prophylaxis
*Requirements for S2S: there are not ABC issues, both the baby and the adult are healthy
APGAR Score Pneumonic
• 1 and 5mins after birth (baby nurse and/or peds)
• Then regulated intervals when sustained ressetation is required
A – appearance
P – pulse
G – grimace
A – activity
R – respirations
- Determines if interventions are requires immediately (ABCs)
- APGAR does not predict furutre neurological outcomes; only for in the moment
- Highest score is out of 10
- Usually lose 1 for acrocinaosis (purple/blueish hands and feet due to sluggish initial circulation, usually resilves a few hours ater birth)
- Usually done in our heads; start at 10 then subtract from there
- Assess HR at umbilical stump; can palpate until 5-10mins after birth (before it is clamped) for 6 seconds to assess quickly
- Score of 7-10 means baby is transitioning well and may need some intervention
- 4-6 means baby needs intervention
- 0-3 indicates severe distress
Newborn vital signs parameters
• Usually every 15min-every 30mins
P: 100-160 bmp – for one full minute
RR: 30-60 breaths/min – for one full minute
T: 36.5-37.5C (ax)
BP: 60/40 to 80/50 mmHg
Benefits of immediate S2S
Early S2S for clients and their healthy newborns is associated with:
• Enhanced breastfeeding success and duration
• Improved early maternal attachment behaviours
• No short- or long-term side effects (when done safely)
• *Don’t allow baby or adult fall asleep in this prone position – increase risk of SIDS
Associated newborn benefits: • Thermoregulation • Respiratory status • Oxygenation status • Higher blood glucose • Decreased crying
Benefits of immediate S2S post C/S
- Physiologic stability of birth parent and neonate – required to do it
- Emotional well-being of birth parent and neonate
- Potential reduction of pain for birth parent
- Improved parent-neonate communication – cue reading, closeness
- Improved breastfeeding outcomes
Universal newborn medications
1) Eye Prophylaxis – Erythromycin Ointment
• Indication: prevention of ophthalmia neonatorum (can lead to blindness)
• Action: prevent infection
• Dose: 1-2cm ribbon of 0.5% ointment within 2 hours of birth
• Postpartum nurse – Adverse reactions: 24-48hr conjunctivitis; temporary blurring of vision
2) Vitamin K Prophylaxis IM Injection
• Indication: prevention/tx of hemorrhagic disease in the newborn
• Action: promotion hepatic formation of clotting factors
• Dose: 0.5-1mg IM within 2-6 hours of birth
• Postpartum reaction – Adverse reactions: edema, erythema, discomfort/pain at site
Key newborn respiratory adaptations
• Multiple factors trigger first breath
- Recoil of chest while clears the vaginal canal; noise, light, birth attending touching baby all help trigger breath
- Meconium aspiration can prevent baby from taking first few deep breaths to cry
• Establishment of respirations is most critical and immediate adjustment
- Makes shunts close
• Cutting of umbilical cord initiates rapid and complex physiologic changes
- Those respirations are key to starting the shifting. Process for everything else
• Initially respirations shallow and irregular, fine crackles may be heard
- Vaginal birth benefit from squeezing out and clearing some mucus/fluid from lungs but still some will be left
• Apnea lasting <20 secs WNL
- WNL is “within normal limits”
- Normal variations where they stop breathing
• Apnea lasting >20 secs concerning
- Can be due to condition, disease or pathological infection; needs to be assessed by physician
- Baby cannot be discharged if apnea is happening
Key newborn cardiovascular adaptations
• Fetal circulation turning into neonatal circulation
- In utero the placenta maintains the gas exchange and little blood is needed though the lungs
- Pressure of the air in the lungs causes the blood pressure in the body to change and blood flow occurs; pressure also closes shunt
- Closure of shunts
- Lung inflation/cutting of cord into pressure and resistance changes which allows pulmonary blood flow
- Ave HR 120-140 bpm (variations 90-180 bpm)
- Post term babies who are more mature and can have a lower resting HR
- There can also be pathological or abnormal reasons why (i.e. heart block)
- Above normal range: infection, dehydration, crying
The ‘Transition’ Period
Stages:
1) First period of reactivity
2) Period of decreased responsiveness
3) Second period of reactivity
First period of reactivity
- HR: increases to 160-180bmp and gradual decrease to baseline
- RR; irregular 60-80 breaths/min
- Activity; alert state, startles, crying
Period of decreased responsiveness
- Sleep period that can last 1-4 hrs (need to be woken to feed)
- HR; normal baseline
- RR; rapid, shallow, up to 60 breaths/min, transient
- Activity; sleep or marled decrease in motor activity
Second period of reactivity
- Can be 6-8hrs post birth
- HR; transient, brief tachycardia
- RR; transient, brief tachypnea
- Activity; increase in muscle tone, colour, mucus
- Mucus can last a few days
Thermogenic system: Cold stress
• Thermoregulation critical to survival
• The balance between heat loss and heat production in the body; the ideal is to have newborns in neutral environments
• Newborns are unable to regulate their body temperature
• Contributing factors
- Larger boy surface to body mass
- Higher metabolic rate with limited stores
- Poorly developed shivering response (they depend on non-shivering thermogenesis)
- Due to the presence of brown fat to be able to do this
- Heat loss though any of 4 modes