Exam 3 review Flashcards
What are the four types of heat loss?
- Radiation
- Conduction
- Convection
- Evaporation
What is radiation heat loss?
Heat loss due to heat transfer to cooler surfaces and objects not directly in contact with the body. Think heat lamp
What is conduction heat loss?
Loss of heat to a cooler surface directly from skin contact.
Baby on moms chest warms; baby on cold table or bed
What is convection heat loss?
Loss of heat from the warm body to the air (think wind/ac)
What is evaporation heat loss?
Loss of heat when water on the skin is converted to a vapor.
Think wet baby
What are the 3 physiologic adaptations of fetal circulation?
- Foramen ovale
- Ductus arteriosus
- Ductus venosus
What is the #1 nursing priority in regards to the infant immediately after birth?
WARM, dry, stimulate; suction airway
A premature infant is classified as an infant born before ___ weeks.
37 weeks
How is circulation assessed in a newborn?
pulse ox/palpate femoral artery
where is the pulse ox placed?
Right upper extremity; palm of hand
What is a complication of supplying oxygen to premature infants?
retinopathy and prematurity of lungs
The umbilical vein carries ______ blood to the baby in utero.
Oxygenated
The umbilical arteries carry _____ blood to the placenta in utero.
Deoxygenated
SGA (small for gestational age) is
An infant that is less than 10% of the birth weight.
Maternal risk factors for SGA (8)
- malnutrition
- HTN
- smoking
- substance abuse
- DM
- cardiac/renal abnormalities
- young maternal age
- hx of small babies
SGA infant complications (4)
- Congenital aspiration syndrome (meconium)
- Hypoxia
- Hypoglycemia
- Polycythemia (too many RBCs increased rx for clots)
LGA (Large for gestational age) is
A baby born above 90th percentile
Maternal Rx factors for LGA (3)
- DM
- Obesity
- hx of big babies
LGA infant complications (6)
- birth trauma from vag: clavicle fracture depressed skull fracture cephalohematoma - fetal distress - hypoglycemia - hypocalcemia - prolonged labor - hyperbillirubemia
IUGR (intrauterine growth restriction) is
Advanced gestation with limited fetal growth.
Maternal Rx factors for IUGR (7)
- multiples
- smoking
- old
- poor nutrition
- substance abuse
- poor prenatal care
- HTN
IUGR infant complications (8)
- meconium aspiration
- hypoxia
- hypoglycemia
- increased rx for infection
- cerebral palsy
- still born
- poor temp control
- motor/neuro disabilities
Contraindications for breastfeeding (4)
- HIV/aids
- illicit drug/alcohol use
- TB
- Galactosemia
How does an infant receive IgG (given)
Passive immunity; passed through fetus via placenta; received last four weeks of pregnancy; premes dont get this and are at increased rx of infection
How does an infant receive IgA (acquired)
Passive immunity; acquired through breastfeeding-colostrum; protects infants intestinal mucosa
How does an infant receive IgM (made by me/fetus)
Active immunity; cant pass through placenta
Produced by fetus during 10-15wks gestation
What is PPH?
The loss of 500ml of blood vaginally or the loss of 1000ml csec
PPH Rx factors (7)
- HTN
- Placenta abruption/previa
- infection
- prolonged labor
- multips (multiple pregnancies=stretched uterus)
- bladder distention
- lrg baby
PPH interventions/tx (8)
- RUB FUNDUS
- remove fragments/clots
- uterine tamponade; balloon
- oxytocin
- hemabate
- lay pt flat
- trendelenburg
- check peripads frequently
What is a cervical laceration?
The tearing of the vagina during delivery/epis.
Cervial lac rx factors (6)
- forceps
- vaccum
- multiparous
- lrg baby
- oxytocin; speeds up labor
- vag delivery
Cervical lac interventions/tx (2)
-surgical repair
-sitz bath/self care
PREVENT INFECTION BIH
What is mastitis
Inflam./infection of breast tissue
MOST COMMONLY CAUSED BY STAPH/STREP; a break in the skin
Mastitis s/s (6)
- pain
- chills
- fever
- malaise
- hard, warm, tender upper quadrant
- tachycardia
Mastitis rx factors (5)
- poor hand washing/hygiene
- unsupportive bra
- milk stasis
- poor latching/positioning
- poor feeding schedule
Mastitis interventions/Tx (6)
“Heat rest, empty breast)
- antibiotics
- good breast support/bra
- local heat
- analgesics
- improved hand washing/hygiene
- breastfeed/nipple care
What is HELLP syndrome?
H(hemolysis, which is the breaking down of red blood cells)
EL(elevated liver enzymes)
LP(low platelet count)
HELLP s/s (5)
- elevated liver enzymes
- low plt count
- flulike symptoms
- epigastric pain
- hemolysis
HELLP rx factors (2)
- severe preeclampsia
- HTN
HELLP syndrome interventions/tx (3 drugs)
IV dexamethasone/betamethasone/mag sulf.
What is a puerperal infection?
s/s (5)
Infections in the uterus during or after pregnancy; common postpartum affecting vagina or cervix
- foul smell
- abnormal discharge
- epigastric/vaginal pain
- fever
- subinvolution
Puerperal infection rx factors (4)
- DM
- prolonged labor
- PROM
- invasive procedures; fetal scalp electrode, foley, amniocentesis
Puerperal infection inteventions/tx (3)
- antibiotics
- rest
- continue to breastfeed
(nothing in vag)
What is PIH?
pregnancy induced HTN
PIH s/s (6)
- HTN
- proteinuria
- periorbital edema
- decreased urine output
- visual chngs
- HELLP
PIH rx factors (7)
- chronic HTN
- DM
- kidney disease
- hx of preeclampsia
- multiples
- primipara
- obesity
PIH interventions/tx (3)
- Treat HTN
- prenatal care
- seizure precautions
truly fixed w delivery
What is RDS? & two subtypes
Respiratory distress in newborn
TTN: transient tachypnea of newborn (fluid in lungs doesnt go away)
Meconium aspiration syndrome
RDS s/s (4)
- nasal flaring
- SOB
- tachypnea
- grunting
RDS rx factors (2)
- prematurity (surfactant underdeveloped)
- csection
RDS interventions (for baby) (5)
- O2 via nc, oxyhood, cpap
- suction
- surfactant
- betamethasone if still in utero
- ABGs,VBGs,CBGs
PPH s/s (4ts)
Tone: uterine tone
Trauma: lacerations and uterine rupture
Thromboplastin: bleeding disorders
Tissue: retained tissue/placenta
Meds not compatible w breastfeeding
Methotrexate/cancer drugs, antimetabolites
What is pyelonephritis?
untreated UTI that travels up to kidneys
Pyelonephritis s/s (6)
- chills
- high fever
- flank pain
- N/V
- dec. urine output
- dehydration
Pyelonephritis rx factors(4)
- urinary blockage
- catheter
- UTI
- poor hygiene
Pyelonephritis tx (2)
IV antibiotics
fluids
What is thrombophlebitis?
blood clot within the vein usually in legs
thrombophlebitis s/s (4)
- warm skin
- tenderness
- red skin
- calf pain
When does thrombophlebitis most commonly occur?
1st 6 weeks postpartum
thrombophlebitis rx (7)
- obesity
- smoking
- HTN
- varicose veins
- DM
- bedrest
- csec
Thrombophlebitis tx (4)
- heat
- NSAIDS/blood thinners
- exercise
- compression stockings
What are the two types of jaundice/hyperbilirubinemia?
Physiologic & pathologic
when does physiologic jaundice occur?
Occurs AFTER 24hrs of birth; usually ok- infant presents normal
when does pathologic jaundice occur?
Occurs WITHIN 24hrs of birth; could indicate underlying disease
How does pathologic jaundice present>
Newborn looks sick!
flulike symptoms, anemic, yellow skin, dark urine, pale stool
Hyperbillirubinemia/jaundice rx factors (5)
- hematoma
- breastfed baby
- preme
- delayed cord clamping
- incompatible blood typing: Rh - mom Rh + baby, O- mom
Hyperbillirubinemia tx (4)
- phototherapy
- provide adequate nutrition
- increase fluids
- blood transfusion
What is cold stress?
Illness from the cold; infant cannot maintain body temp
Cold stress s/s (5)
- shivering stops
- hypoglycemia
- vasoconstriction
- limp
- lethargic
Cold stress rx factors (6)
- HTN
- DM
- cold environment
- IUGR
- Preme
- SGA
Cold stress tx (4)
- warm body; blanket, hat, skin to skin
- mo rectal temp
- mo bs
- O2 prn
SLOWLY REWARM
What is neonatal hypoglycemia?
Glucose less than 40
we want 50-150
Neonatal hypoglycemia s/s (7)
- SHAKING
- pale skin
- apnea
- poor feeding
- poor body tone
- seizures
- lethargy
Neonatal hypoglycemia rx factors
- SGA
- IUGR
- Preme
- LGA
Neonatal hypoglycemia tx
- feed regularly
- IM glucagon
- IV dextrose
What is neonatal sepsis?
infection of neonate blood
Neonatal sepsis s/s (8)
- decrease in wbc
- poor temp control; decreased temp
- poor glycemic control
- tachy or brady
- mottled skin
- poor feeding; abdominal distention
- bleeding probs
- inconsolibility
Neonatal sepsis rx factors (2)
- preme
- maternal UTI/STI
Neonatal sepsis tx
IV antibiotics
Ortoloni’s maneuver
tests for congenital hip dysplasia; manual procedure performed to rule out the possibility of developmental dysplastic hip; flex hips and knees 90 degrees
What is a Pavlik harness?
used to fix congenital hip dysplasia; put the infant in this for 23 1/2hrs a day until resolved to align the hips and joints; keeps hip at 90 degrees.