peds exam 2 Flashcards
height
Increase birth length by 50% by 1 year (Gain 1 inch/month first 6 months,
½ inch per month for second 6 months)
head
o Increase of birth OFC by 33%
o At 2 months, posterior fontanel fuses (triangular shaped)
o By 12-18 months, anterior fontanel fuses (diamond shapes)
o “normal” is soft/flat
chest
o Heart doubles in weight 1st year
o Shape of chest changes, becomes more wide laterally rather than posteriorly
respiration
o Abdominal breathing, respiration rate slows to 30 bpm
o Infants are obligatory nose breathers
o Close proximity of trachea to bronchi, narrow trachea and short Eustachian tubes predisposes infant to ear/UR
cardiac
o Heart rate slows from 120 to 80, is irregular (increase with breathe in, decrease with exhale)
o B/P increases from 70/55-90/55.
o Hemoglobin decreases with decreased RBCs at 2-3 months (physiologic anemia), and maternal stores of iron are used up by 5-6 months
o Levels are a low norm, not abnormal
GI
o Immature at birth, slow increase in saliva & digestive processes till more functional at approximately 3 months
o Can’t digest complex carbohydrates till increased enzymes (amylase/lipase/trypsin) at 4-6 months
teeth
o 4-5 months, drooling prior to teething (irritable/drowsy/anorexia prior to teeth)
o Get lower, then upper incisors at approximately 6-8 months (center teeth)
o Get upper, then lower lateral incisors at approximately 8-12 months
o Rule: age in months-6 = number of teeth
liver
**Most immature system at birth. Difficulty with bilirubin (hyperbilirubinemia)
thermoregulation
increased body fat 1st 6 months, insulates from cold. Begins to shiver by the end of the first year.
fluid/kidneys
Increased proportion of ECF than adults, easily dehydrated
neuro
Positive Babinski reflex, NB reflexes fade, acquire the parachute reflex @ 6-9 months;
“Santmyer” reflex: blow on face, baby will swallow
fine motor
2-3 months
almost voluntary grasp, hands open, have hand regard, startle reflex fading
fine motor
4-5 months
Plays with hands, hand to mouth
Grasp voluntary, (textured toys, can hold 1-2 toys)
fine motor
6-7 months
Holds bottle, feeds self crackers
Transfers objects between hands, unidextrous
Has repetitive movements (peek-a-boo, large toys/moveable parts, noise- makers)
fine motor
8-9 months
Start pincer grasp, (can start finger foods-bigger foods, not smaller foods)
Releases objects, claps (pat-a-cake)
fine motor
10-12 months
Strong pincer grasp, (large crayons, turn pages of books [cardboard or chunks of pages], squeeze toys)
Attempts to stack 2 blocks- but fails (large puzzles, ”nested” blocks)
Can pick up Cheerios
gross motor
1 month
Can move head side-to-side, marked head lag, weakest the head will be
gross motor
2-3 months
Lifts head 45° when prone, increased head control
Slight bobbing, Use infant seat, swing
Bassinette is only good for 1-2 months
gross motor
4-5 months
Raises head and chest to 90°, slight head lag
Rolls from abdomen to back, or back to side
Sits with a prop- sits on the couch with a pillow tucked in
Can start to “scoot” backwards- they will use their arms to push themselves
gross motor
6-7 months
Sits alone with support of hands
Rolls from back to abdomen
No head lag, bears weight on feet
Develops parachute reflex, newborn reflexes gone
gross motor
8-9 months
Sits unsupported, stands with help
Crawls, usually in reverse first strong extensors than flexors
gross motor
10-12 months
Crawls forward
Pulls self to sitting position, sit-stand
Walks with support, push toys (only when walking), ball
psychosocial development- erikson
**Trust vs. Mistrust
o Feeling of physical comfort and security, basic needs are met by caregiver
Narcissism-total concern for oneself
Results:
o Trust, or inability to trust
o Lack of forming meaningful relationships
o May end up with dependency problems or feeding disorders
cognitive devleopment- piaget
Infants learn:
o Separation (Others control the environment)
o Object permanence
o Use of symbols for mental representation
o Beginning of concepts of time/space by the end of stage
sensorimotor 1st substage 0-1 months- reflexes
1st substage: 0-1 month: Reflexes: Rooting, sucking, grasp, cry, fencing, reflexive stage
sensorimotor 2nd substage 1-4 months primary circular reactions
Reflexes become voluntary
Stimulus produces response; I cry, I hear mom’s voice, I quiet down
Placing a rattle in hand, they can grasp and shake it
3rd substage: 5-8 months: Secondary Circular Reactions
Repeated acts for certain results, shaking and banging rattle repeatedly.
Begin imitation, play. Beginning to develop object permanence, stranger and separation anxiety. By 6 months, child has a definite preference for mom or primary caregiver
4th substage: 9-12 months
Coordination of secondary schemata and application to new situations
Begins intellectual reasoning, starts to associate symbols with events (bye-bye); does intentional acts, can remove obstacles
social development
1 month
watches parent’s face
social development
2 months
social smile
social development
3 months
stops crying when parent is seen, recognized familiar objects
social development
4-5 months
laughs out loud, smiles at mirror image, can discriminate family/stranger