Week 2 (Newborn) Flashcards

1
Q

Neonatal Period

A

Birth to day 28 of life

  • changes include respirations, circulation, temperature regulation, digestion, waste, & weight
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2
Q

First period of reactivity

A

15-30 minutes after birth

  • HR may be 160 - 180
  • Period of decreased responsiveness from 60 - 100 minutes (newborn either asleep or has marked decrease in motor activity)
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3
Q

Second period of reactivity

A

2 - 8 hours after birth

  • tachycardia
  • tachypnea
  • increased muscle tone
  • improved color
  • meconium is usually passed
  • often gags or chokes on mucus that has accumulated in the mouth
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4
Q

Ductus arteriosus

KNOW THIS!!!!

A

Connects the pulmonary artery to the aorta

  • A blood vessel in a fetus that bypasses pulmonary circulation by connecting the pulmonary artery directly to the ascending aorta
  • closes within first 24 hours of life
  • takes 2-3 months to fully closed
  • can reopen (PDA) causes a murmur
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5
Q

Foramen ovale

KNOW THIS!!!!

A

Connects the two atria in the fetal heart

  • “hole in the heart”
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6
Q

Ductus venosus

A

Connects the umbilical vein to the inferior vena cava

  • bypasses the liver - allows blood to go to the heart & to the rest of the body quickly
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7
Q

Normal Fetal PaO2

KNOW THIS!!!!

A

20 - 30 mmHg

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8
Q

Do veins or arteries carry oxygen to the baby?

KNOW THIS!!!!

A

VEINS

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9
Q

How many arteries & veins are in fetal circulation?

A

2 arteries & 1 vein (AVA)

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10
Q

What is the most important physiologic change in a newborn?

KNOW THIS!!!!

A

initiation of breathing!!!!

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11
Q

What induces mild hypercapnia, hypoxia, & acidosis [normal is 7.30 - 7.40] that stimulate respiratory center?

A

labor

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12
Q

Chemical stimuli

KNOW THIS!!!!

A

acidosis after birth stimulates the respiratory center

  • contractions are also a chemical stimuli
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13
Q

Mechanical stimuli

KNOW THIS!!!!

A

pressure from labor pushes fetal lung fluid out

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14
Q

Thermal Stimuli

KNOW THIS!!!!

A

from womb temperature to outside temperature

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15
Q

Sensory stimuli

KNOW THIS!!!!

A

drying, suctioning, etc.

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16
Q

Surfactant

A

fluid produced to open alveoli

  • increased production with progressed gestation “backpack” will pull from if needed
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17
Q

If the baby isn’t breathing what measure should be taken?

KNOW THIS!!!!

A

positive pressure ventilation

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18
Q

Apnea

KNOW THIS!!!!

A

20 seconds of not breathing

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19
Q

Lung Sounds

KNOW THIS!!!!

A

Clear / wet from c-sections / inductions

  • tachy > 60
  • brady < 30
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20
Q

Normal Fetal HR

KNOW THIS!!!!

A

120 - 160 bpm

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21
Q

Normal Fetal BP

KNOW THIS!!!!

A

75 - 95 over 25 - 45

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22
Q

How long should you wait before clamping & cutting the cord?

A

30 seconds

  • allow blood volume to flow
  • risk for hyperbilirubin / jaundice
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23
Q

Normal Fetal WBCs & Platelets

KNOW THIS!!!!

A
  • WBCs: 9,000 - 13,000
  • Platelets: 150,000 - 300,000
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24
Q

What are the surroundings in which the infant can maintain a stable temperature with minimal oxygen consumption & a low metabolic rate?

A

Neutral thermal environment

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25
**What are the 4 modes of heat loss?** | **KNOW THIS!!!!**
* **Convection** * **Radiation** * **Evaporation** * **Conduction**
26
**Convection Heat Loss** | **KNOW THIS!!!!**
**the flow of heat from the body surface to COOLER AIR** * keep babies away from open windows & colder environments ## Footnote * Warm body heat is lost to a source of cooler air **CO**nvection = **CO**ol (air)
27
**Radiation Heat Loss** | **KNOW THIS!!!!**
**Loss of heat from the patient's body to the environment** * window, fan, AC, natural drafts, & cold walls - keep baby away from cooler sources ## Footnote * Body heat is lost due to a cooler object nearby
28
**Evaporation Heat Loss** | **KNOW THIS!!!!**
**Heat loss from liquid turning to vapor** * cold with the wetness -- must *dry off baby immediately after birth!* ## Footnote * moisture from the skin & lungs is lost to the air
29
**Conduction Heat Loss** | **KNOW THIS!!!!**
**Loss of heat from the BODY SURFACE to COOLER SURFACES in direct contact** * Cold changing tables, medical instruments, & surfaces the baby's body will touch * **PREVENT:** keep infants partially covered on a warm surface during exams or diaper changes **&** warm stethoscopes & other instruments before putting them on the baby ## Footnote Con**D**uction **= D**irect
30
**Thermogensis**
**Generation of heat** * babies do NOT shvier
31
**Brown Fat** | **KNOW THIS!!!!**
**A dark-colored adipose tissue with many blood vessels involved in the rapid production fo heat in babies**
32
**Newborn Voiding** | **KNOW THIS!!!!**
**Should void by 24 hours of life** * day 1 = 1 void * day 2 = 2 void * etc.
33
**Meconium** | **KNOW THIS!!!!**
**the first BM of the newborn** * dark
34
**Maternal ------ does not pass the placenta. Risk for hypoglycemia from compensation; extra fat "Buddah babies"**
**maternal insulin**
35
**When will a newborn's blood sugar fall to the lowest level after birth?** | **KNOW THIS!!!!**
**2 hours**
36
**Tremors (jitters)**
**Continuous quivering or shaking** * stop with gentle restraint
37
**Seizures**
**Sudden, uncontrolled electrical disturbances in the brain** * do not stop with restraint **S/S:** * eye deviation * staring * apnea * high HR * increased salivation
38
**What affects 60 - 90% of newborns; peaks at day 3-5** (peaks 5-7 for preterm) **& the normal range is 6-7 mg/dL?**
**Jaundice**
39
**Physiological Jaundice**
**From increased bilirubin** * surplus of RBCs * 60 - 80% of babies
40
**Breast Non Feeding Jaundice**
**Infants nursing infrequently or inefficencly are at risk for elevated bilirubin levels** * decreased calories * dehydration * delayed meconium stooling
41
**Breastmilk Jaundice**
Occuring in the breastfed infant * **breastmilk PREVENTS bilirubin breakdown**
42
**Pathologic Jaundice**
caused by **ABO incompatability**
43
**Chorioamnionitis**
**Inflammation of the chorion & amnion (amniotic sac)**
44
**Vernix Caseosa**
**waxy or "cheesy" white substance found coating the skin of newborns** * keep on skin = protection
45
**Acrocyanosis**
**Temporary cyanotic condition, usually in newborns resulting in a bluish color around the lips, hands, & fingernails, feet, & toenails** * may last for a few hours & disappears with warming
46
**Circumolar Cyanosis**
**A bluish discoloration around the mouth**
47
**APGAR Score** | **KNOW THIS!!!!**
An evaluation of a newborn infant's physical status **performed at 1, 5,** 10 minutes & every 5 minutes until 20 minutes; snapshot in time * **7 - 10 = no difficulty** * **4 - 6 = moderate difficulty** * **0 - 3 = distress**
48
**What is Occipital Frontal Circumference (OFC)?**
**Head Circumference**
49
**Eye Prophylaxis** | **KNOW THIS!!!!**
**Prevents gonorrhea transmission from mother to baby** * **erythromycin 0.5 - 1 mg within 1-2 hours** * do NOT wipe it off
50
**Vitamin K** | **KNOW THIS!!!!**
**Given to prevent hemorrhage because the baby's gut is sterile** * aquamephyton 0.5 - 1 mg
51
**Hep B Vaccine** | **KNOW THIS!!!!**
**Given at birth, 1-2 months, 6-18 months** *OR* * HBIG for positive mom's to prevent transmission
52
**Perinatal history**
* family history -- htn, DM, preeclampsia, infection * how was delivery * **how long was mom ruptured? -- if over 18 hrs = risk of infection**
53
**Infection risk increases in a mom who has been ruptured for over how many hours?** | **KNOW THIS!!!!**
**18+ hours**
54
**AGA** | **KNOW THIS!!!!**
**Appropriate for Gestational Age** ## Footnote * 50th percentile
55
**LGA** | **KNOW THIS!!!!**
**Large for Gestational Age** ## Footnote * 90th percentile
56
**SGA** | **KNOW THIS!!!!**
**Small for Gestational Age** ## Footnote * 10th percentile
57
**Preterm** | **KNOW THIS!!!!**
**before 37 weeks**
58
**Late Preterm** | **KNOW THIS!!!!**
**34 - 36 weeks**
59
**Full Term** | **KNOW THIS!!!!**
**39 - 40 weeks**
60
**Post Term** | **KNOW THIS!!!!**
**After 42 weeks**
61
**Post Mature** | **KNOW THIS!!!!**
**Infant born after 42 weeks gestation**
62
**Ballard Score**
**Test used to estimate gestational age** * based on 6 neuro & 6 physical criteria * done by 12 hours of life
63
**Erythema Toxicum**
**Newborn rash** ## Footnote * normal finding
64
**Nevus Simplex**
**"Storke Bite", pink red capillary on face or neck**
65
**Milia**
**Small raised white spots on the nose, chin, & forehead**
66
**Root Reflex** | **KNOW THIS!!!!**
**When baby's cheek is rubbed the baby will automatically turn TOWARD the stimuli**
67
**Moro Reflex** | **KNOW THIS!!!!**
**Startle reflex**
68
**Palmar Reflex** | **KNOW THIS!!!!**
**Infant grasps your finger when you place it in their palm**
69
**Babinski Reflex** | **KNOW THIS!!!!**
**Infant reflex where if you stroke their foot, the baby's toes fan OUTWARD**
70
**Tonic Neck** | **KNOW THIS!!!!**
**Infant lies in a "fencing position"** * may prepare infant for involuntary reaching
71
**Truncal Incurvation** | **KNOW THIS!!!!**
**Body curves toward side of trunk that is stroked**
72
**Stepping Reflex** | **KNOW THIS!!!!**
Reflex that causes newborn babies to make **little stepping motions if they are held upright with their feet just touching a surface**
73
**Breast Crawl** | **KNOW THIS!!!!**
**Newborn's instinct to move toward the nipple & suckle**
74
**When does the anterior fontanelle close?** | **KNOW THIS!!!!**
**12 - 18 months**
75
**When does the posterior fontanelle close?** | **KNOW THIS!!!!**
**2 - 3 months**
76
**Caput Succedaneum** | **KNOW THIS!!!!**
**Soft tissue dependent edema of the scalp** * will resolve in the first week of life * NORMAL FINDING * **edema crosses the suture line**
77
**Cephalohematoma** | **KNOW THIS!!!!**
**Bleed that does NOT cross suture lines** * independent edema
78
**Subgaleal Hemorrhage**
**Bleeding into the subgaleal compartment** * shock * high mortality
79
**Normal RR** | **KNOW THIS!!!!**
**30 - 60 BPM**
80
**Simian Crease** | **KNOW THIS!!!!**
**A single straight palmar crease** * abnormal finding associated with Down Syndrome
81
**Hydrocele**
**Sac of clear fluid in the scrotum**
82
**Hypospadias**
**Abnormal congenital opening of the male urethra on the UNDERSURFACE of the penis**
83
**CCHD (critical congenital heart disease)**
**Asses O2 on R hand (preductal), L foot > 95% AND difference should be < 3%** * > 3% is abnormal and indicative of CCHD
84
**Sucrose**
**Given to babies during circumcision to stimulate opioid receptors**
85
**Circumcisions**
* Yellow exudate after circumcision -- do NOT remove * Have they voided? ## Footnote *Types:* 1.) gomco 2.) mogen 3.) plastibell