History and Physical Examination of the Newborn Flashcards
How many times should a full term newborn be examined b/n birth and discharge?
At least 2 times, preferably 3 times.
Where and when should the newborn be examined b/n birth and discharge?
- Delivery room- immediately at birth
- Nursery/ rooming-in area- within 12h of birth
- Upon discharge, with the mother
During physical exam, where should be the attention directed?
- Wether any congenital anomalies are present
- Wether the infant has made a successful transition from fetal life to air breathing
- To what extent gestation, labor, delivery or anesthetics have affected the newborn
- Wether the infant has any sign of infection or metabolic diseases
What principles/ techniques should be included in the neonatal physical exam?
- Inspection
- Palpation
- Auscultation
In neonatal physical exam, what characters/ skills are required?
- Patience
- Gentleness
- Procedural flexibility
What examination should be done first if the infant is quiet and relaxed at the beginning?
Auscultation of the chest, and palpation of the abdomen.
Patterns of activity of the newborn for the first 15 to 30 minutes of birth
- Immediate tachycardia- 160 to 180bpm, gradual drop to 100 to 120bpm
- Irregular respiration, tachypnea 60 to 80bpm, brief moments of apnea
- Moist-sounding lung fields, transient grunting and retractions
- Awake, moving, alert, easily startled, crying, transient tremors
Patterns of activity of the newborn for the next 60 to 90 minutes
- Sleepy or sleeping, somewhat unresponsive
- Heart rate of 100 to 120 bpm, transient tachycardia
- Resp rate of 50 to 60 bpm, transient tachypnea
- Usually, passage of meconium
Patterns of activity of the newborn for the next several hours
Again, awake, alert, easily startled, crying, easily stimulated and reactive
I. General Appearance
The newborn should be ** when being examined
Naked
I. General Appearance
Things to observe in the inafant?
- Posture
- Skin color
- Activity
- Muscle tone
Gross congenital abnormalities
II. VITAL SIGNS
What are the vital signs to be monitored?
- Temperature
- Respiratory Rate
- Type of Respiration
- Cardiac
II. VITAL SIGNS
How often should you monitor vital signs?
Every 30 minutes after birth, for 2 hours or until stable
II. VITAL SIGNS
A. TEMPERATURE
True or False:
Neonates USUALLY develops fever except in response to env’tal temp.
FALSE- UNUSUAL
II. VITAL SIGNS
A. TEMPERATURE
When should you obtain a rectal temperature
If the neonate’s skin temp is 38C and remains elevated even the envnt returns to normal
II. VITAL SIGNS
A. TEMPERATURE
A temp obtaining technique that is less likely to be affected by the environment.
Rectal Temperatue
II. VITAL SIGNS
A. Temperature
Hypothermia is more likely to be observed in?
Premature infants
Normal respiratory rate?
40 to 60 bpm
How to obtain RR of the infant?
Looking at the upper abdomen for a full minute
When obtaining RR, what happens as soon as the infant is touched?
Respiratory rate and depth changes.
True or False:
All infants are regular rather than periodic breathers.
FALSE- All infants are periodic rather than regular breathers.
Normal Cardiac Rate
120 to 160 bpm
Increased heart rate is seen when the baby is?
Crying, active, or breathing rapidly.
Decreased HR is seen if the infant is?
Quiet and breathing slowly.
Describe the HR of preterm infants at rest
Resting HR is at the higher end of the normal range
Describe the resting HR of occasional term or postterm infants
may have a HR below 100bpm
Tachycardia with a rate persistently greater than 160 bpm may indicate?
CNS irritability, CHF, sepsis, anemia, fever
True or False:
Measuring BP is a ROUTINE part of the vital signs in the newborn
FALSE- not a routine part in the vital signs of the newborn
What circumstances should you measure/ include BP in newborn?
- Infants requiring special care
2. Evaluating coarctation of the aorta, and CHD
Blood pressure correlates directly with?
- Gestational Age
- Postnatal Age
- Birth Weight
2 important elements for obtaining accurate BP
- Quiet infant
2. Properly sized cuff
Proper size of cuff?
Width 2/3 the length of the upper arm
Method for obtaining mean pressure
Flush Method
BP Method easier in active infants
Flush Method
BP Method that that requires only Sphygmomanometer
Flush Method
Describe the techniques in Flush Method?
- Wrap the cuff on the arm/leg
- Inflate enough to blanch the skin
- Lower pressure slowly until there is flush of color, at which point the pressure is read
Flush of color at which the pressure is read indicates the?
Estimated Systolic Pressure
BP Method that provides both Systolic and Diastolic pressure
Doppler Method
Doppler Method requires:
Electronic equipment and a quiet infant
Blood Pressure Values in the Newborn Accdg to Birthweight
Refer to page 47
III. Anthropometric Measurements
Describe the proper technique in obtaining Head Circumference
Place the tape measure around the head, above the glabella, and the occipital area.
What do you call if the head circ. is obtained around the head, above the glabella, and the occipital area?
OCCIPITO-FRONTAL CIRCUMFERENCE
Normal occipito-frontal circumference in term infants.
32-36 cm
Used in weight and percentile
Infant weighing scale
Weight of infant is recorded in? (Measurement)
Kilograms
Where do you plot infant weight?
Lubchenco chart
Birthweight below the 10th percentile
Small for Gestational Age (SGA)
When do you consider a newborn as SGA
Birthweight below the 10th percentile
SGA with an onset early in gestation
Symmetric
Describe the brain size as to the body size in Symmetric SGA
Brain size corresponds to the Body size
Etiologic factors for Symmetric SGA
- Environmental- smoking or drugs
- Genetics- small maternal size, or chromosomal disorders (trisomy 13, 28, and 21 syndromes)
- Intrauterine infections (TORCH, and metabolic disorders)
Onset of Symmetric SGA
Early in gestation
SGA with onset late in gestation
Asymmetric SGA
Effect of Asymmetric SGA in brain?
No or minimal effects on fetal brain growth
Onset of Asymmetric SGA
Late in gestation
Etiology of Asymmetric SGA
Uteroplacental insufficiency with chronic fetal hypoxia
Birthweight between the 10th and 90th percentile
Appropriate for Gestational Age (AGA)
When to consider the infant as AGA
Birthweight between the 10th and 90th percentile
Birthweight above the 90th percentile
Large for Gestational Age (LGA)
When to consider infant as LGA
Birthweight above the 90th percentile
LGA infants have increased incidence of?
- Perinatal Asphyxia and birth injuries
- Respiratory Distress Syndrome
- Hypoglycemia
Most LGA infants are born to?
Diabetic mothers
Posture of the baby during the length measurement
Lies supine on a recumbent length table or measuring board
In measuring length, the crown of the head should touch the?
Stationary vertical headboard
Steps in obtaining the length
- Crown of the head should the vertical stationary board
2. The legs should remain flat on the table and shifts the movable board against the heel
Length is recorded in?
To the nearest 0.1 cm
Length is plotted on?
Lubchenco Chart
Deep, rosy red, ruddy color
Plethora
Color more common in infants with polycythemia
Plethora
Plethora
Deep, rosy red, ruddy color
Where can you see Plethora
- More common in infants with Polycythemia
- Overoxygenated
- Overheated infants
Jaundice
Yellowish- secondary to Indirect Hyperbilirubinemia
Greenish- secondary to Direct Hyperbilirubinemia
Level of bilirubin at which Jaundice is noted
> 5mg/dL
May be secondary to Anemia, Birth Asphyxia, shock or PDA
Pallor
Pallor may be 2dary to?
Anemia, Asphyxia, Shock or PDA
Blue skin including tongue and lips
Central Cyanosis
Central Cyanosis is caused by?
Low oxygen saturation in the blood
Bluish hands and feet only
Acrocyanosis
Cause of Acrocyanosis
May be normal to newborn bec of vasomotor instability and peripheral circulatory sluggishness
Lacy red pattern
Mottling
Mottling is seen in?
- Normal infants
- Cold stress
- Hypovolemia
- Sepsis
Persistent mottling
Cutis Marmorata
Where can you find Cutis Marmorata?
Down Syndrome, trisomy 13, and 18
Greasy white substance that covers the skin
Vernix caseosa
Vernix caseosa covers the skin up to?
38th week of gestation
Purpose of vernix caseosa
Provide moisture barrier
Tiny, sebaceous retention cysts, whitish, pi-head sized concretions, seen in nose, chin, forehead and cheeks, resolves weeks after birth
Milia
Small areas of red skin with yellow-white papule in the center
Erythema toxicum
When does erythema toxicum erupts
Noticeable 48 hours after birth, but can be seen as late as 7 to 10 days
Non-inflammatory pinpoint clear vesicles that erupt in profusion over large areas of the body surfaces.
Miliaria Crystallina
Leaves a brawny desquamation on healing
Miliaria Crystallina
Benign, self-limiting condition which requires no specific therapy, characterized by 3 stages
Transient pustular melanosis
3 stages of transient pustular melanosis
- Pustules
- Ruptured vesicopustules with scaling or typical halo appearance
- Hyperpigmented macules
True vascular nevus
Macular Hemangioma