Neonate Flashcards
TORCH definition
Pregnacy Hx/Congenital Infections Toxoplasmosis Other Rubella CMV HSV
Other - GBS, HIV, HVB, B19, GC TB
Definition of perinatal/neonatal mortaility
Fetal death 20w EGA - 28D post delivery
Definition of premature birth
Birth <38wk (pre-term infant)
MC factors to Perinatal mortality
Congenital anomalies and prematurity
Reasons for fetal demise (in utero)
Intrauterine asphyxia
Multiple gestation
Intrauterine infection
Placental insufficiency
Preterm - perinatal mortality reasons
RDS
Immaturity
Intraventricular hemorrhage
Necrotizing enterocolitis
Term infant - perinatal mortality
Birth asphyxia
Congenital anomalies
Infection
RFs for low birth weights?
Black - (doubles risk)
<16 or >35yo
Common sense items
Causes of neonatal asphyxia
D/O of respiratory drive
CNS depression
Occlusions of up/low AW
Extreme prematurity
During AW positioning ensure not to?
Hyperextend neck too much
Neonatal Intubation intervention if?
No chest rise w/ BVM
No IV route of Rx admin established
Preferred if transporting
3 methods of O2 administration
Blow by
BVM (PPV)
Intubation
2 techniques of Chest compressions? Preferred method?
Two thumb - preferred
Two fingers
Purpose of Ductus arteriosus? And how it works?
Blood bypasses lungs via R-vent to descending aorta
Is PDA patent at birth?
Yes
When does the PDA typically close?
24-48hrs
What patient population typically has a PDA that fails to close?
Preterm infants
What can occur if PDA remains patent and nev er closes?
Heart failure
In what situation would a HCP leave a PDA open?
Cyanotic heart disease
Neonatal resuscitation medications
O2
IV fluids
Epinephrine
Narcan (PRN)
Neonatal resuscitation - epinephrine Route/dosing/purpose.
1:10k IV or Inhaled ETT for Asystole or bradycardia
When is F-hgb fully replaced by adult Hgb?
3-6mo
Which has a higher affinity for O2 - F-hgb vs Adult Hgb?
F-Hgb
NL Neonatal physiological shunts
Ductus Venosus
Ductus Arteriosus
Foramen Ovale
Purpose of Ductus Venosus?
Shunts fresh O2 from Placenta to IVC bypassing Liver
Bypasses what?
Ductus Venosus
Ductus Arteriosus
Foramen Ovale
Ductus Venosus - past liver
Ductus Arteriosus - past lungs 85%
Foramen Ovale - past lungs
Closes when?
Ductus Venosus
Ductus Arteriosus
Foramen Ovale
Ductus Venosus - Mins after birth
Ductus Arteriosus - w/in 1-2D
Foramen Ovale - 1st fetal breath
How can you prevent GC conjunctivitis w/ a newborn in a nursery setting?
Erythromycin - Ophthalmic ointment (Better than AgNO3)
What are screenings/shots/labs of newborn in nursery setting?
Hearing
HVB
Genetic/metabolic - PKU/TSH/CF/SCA
Vit K
Purpose of vitamin K?
PVT Vit K deficiency (Hemorrhagic disease of the newborn (HDN)).
Appearance of HDN (S/S)?
Generalized ecchymosis
GI bleeding
Bleeding from umibilical stump or circumcision
What two supplementations are required if breast feeding?
Iron and Vit D
When is Iron supplementation required for breast feeding infants?
At 4 months (until child is eating sufficent iron in diet)
IF giving formula for diet what must you supplement with?
Vit D (Iron is added to formula)
What is the dosage/day for Vit D and iron?
Vit D - 400IU/day
Iron - 1mg/kg/day (Max 15mg)
Severe Vit D deficiency will result in?
Rickets
Childhood Rickets presents as?
Thickening at wrist and ankles Rachitic Rosary Enlarged anterior fontanelle Bow legs or knocked knees Craniotabes
How can you estimate gestational age?
Using the Ballard score (Physical and neurological characteristics score added)
Purpose of Ballard score is to?
Identify abnormal growth patterns
Predict neonatal complications
Estimate GA
Small for EGA is what percentile?
<10%
Large for EGA is what percentile?
> 90%
SGA is also known as?
Intrauterine growth restriction
SGA is associated w/?
Increased risk of…
- temperature instability
- perinatal asphyxia
- hypoglycemia
- polycythemia
- pulmonary hemorrhage
LGA is associated with?
Maternal DM
Neonatal hypoglycemia
Post-term delivery is also known as how many weeks?
> 42
Ballard score maturity rating? Baseline? Increments?
40=40 baseline
Every 5 point change = 2wk change
Scaphoid abdomen may indicate?
Diaphragmatic hernia
NL umbilical cord anatomy?
3 vessels ( 2 arteries and 1 venous)
Barlows maneuver checks for? Performed how
Congenital hip dysplasia-
Adduct w/ Downward force to dislocate hip
Ortalani maneuver checks for? Performed how?
Congenital hip dysplasia - clunks when hip relocates back into acetabulum
ABduct with lateral pressure over greater trochanter
Barlows/Ortalini reqs what to indicate congenital hip dysplasia?
Multiple F/U visits that have reproducible clunks
Congenital hip dysplasia can lead to?
Pathological changes
- Flattening acetabulum
- Muscle contractures limiting motion
- Joint Capsule tightening
Congenital hip dysplasia MCs?
Left hip 3x
Female 9x
Congenital hip dysplasia risk factors?
Breech presentation
1st born child
Oligohydraminos
Tight swaddling
Positive Barlows/ortalini reflex to?
Ultrasound of hips for congenital hip dysplasia after 6wks of age to avoid NL laxity confusion.
Congenital hip dysplasia TXT?
Refer to PEDs ortho - Pavlics Harness (up to 6mo) Abduction orthosis Closed reduction w/ hip spica cast Open reduction
Newborn Back ABNL findings?
Lumbosacral hair tuft = spina bifida
Gluteal fold dimples (sacral dimples)
Rooting reflex is gone by?
4-6mo
Fencer reflex is gone by?
3mo
Moro reflex is gone by?
6mo
Grasp reflex is gone by?
6mo
Placing reflex is gone by?
4-6mo
Galant reflex is gone by?
4mo
Babinski reflex is gone by?
12-18mo
Which reflex is a “true reflex”
Sucking reflex
Umbilical cord w/ 2 vessels should cause you to…?
Perform a more detailed exam
Enlarged anterior fontanelle >5cm may suggests?
Hypothyroidism
Closed sutures/fontanelles is also known as?
Carniosynostosis
ABNL red reflex that is white is AKA?
White reflex (Leukokoria)
White eye reflex is associated w/?
Cataracts
Ocular tumors
Severe chorioretinitis
Immature retinas
Neck cysts per location will indicate?
Anterior midline on neck?
Anterior SCM?
Posterior SCM?
Anterior midline on neck? - Thyroid disorder
Anterior SCM? - Brachial cleft cysts
Posterior SCM? - Cystic hygroma
Will murmurs be initially heard upon newborn exam auscultation?
Maybe - (Maybe not!)
Single second heart sound may indicate?
Cyanotic heart disease
What are the pathological Murmurs?
Holosystolic, continuous harsh murmur
Grade 3 or higher
All diastolic murmurs
Hepatomegaly may indicate?
Left sided heart failure
When does the umbilical cord typically fall off?
At 3-4weeks post delivery
Is jaundice abnormal or normal w/in the 1st 24hr?
Abnormal
Overriding sutures are?
When sutures overlap creating a ridge palpable on exam
NL eye alignment of a infant usually occurs at?
4mo
Strabismus is?
Eyes not aligned properly - ABNL light reflex
Pseudostrabismus is?
Eyes aligned - NL light reflex, +- epicanthal folds
Epicanthal folds are notable w/ what population?
Asians and downs
Newborn gum/palate NL 2 benign findings? Resolves w/in?
Epstein pearls and Bohn nodules - Resolves w/in 1st few wks
Epstein Pearls are?
Gum/palate - Keratin cysts (Benign) (looks like teeth)
Bohn Nodules are?
Salivary tissue (Benign) (looks like teeth)
Desquamation of newborn epithelial occurs when?
24-48hrs
Vernix Caseosa is?
Chalky-white to gray mix of Epithelial, Sebum, Keratin common in preterm infants
Milia is?
<2mm White smooth papules on face and scalp from trapped keratin occluding pores that resolves 1st few wks