NURS 629 EXAM 4 QUESTIONS WITH COMPLETE SOLUTIONS 100% VERIFIED GUARANTEED PASS LATEST UPDATE
What is physiological jaundice?
-occurs when baby accumulates bilirubin
-secondary to immature liver in newborns
-Risk factor is prematurity
What level is conjugated hyperbilirubinemia?
serum conju...
What is physiological jaundice?
-occurs when baby accumulates bilirubin
-secondary to immature liver in newborns
-Risk factor is prematurity
What level is conjugated hyperbilirubinemia?
serum conjugated bilirubin concentration greater than 1 mg/dL if the total bilirubin is less
than 5.0 mg/dL or more than 20% of the total bilirubin if the the total bilirubin is greater
than 5 mg/dL (p. 862 AAP book)
What is breastfeeding jaundice?
-due to poor intake that causes lack of stools and urine output
-common in first week and resolves once milk comes in and infant is feeding well-more
stools and urinary output
-peaks around 2-3 weeks
How do you diagnose jaundice?
-dx with a bili level of 5 mg/dL
-12 mg/dL threshold for all newborns having jaundiced appearance
-direct/indirect bili levels
-CBC
-reticulocyte count
-use of bilitool.org
How do you treat jaundice?
increased intake, longer feeding
indirect sunlight
phototherapy
IV fluids
,Bili lights
Biliblanket
What are other causes of jaundice?
abnormal blood cell shapes (like sickle cell)
Rh incompatibility
cephalohematoma
polycythemia (increased RBCs, SGA infants, twins)
infection
specific enzyme disorders
What is biliary atresia?
-life-threatening condition causing a blockage of bile ducts inside or outside of liver
-leads to build-up of toxins (like bilirubin)
-malabsorption of fat-soluble vitamins A,D,E,K
-scaring of the liver, loss of tissue, cirrhosis
-not inherited
What are the two types of biliary atresia?
fetal- noted in womb (other defects like heart, spleed, intestines)
perinatal- appears 2-4 weeks after birth
What causes biliary atresia?
-infection after birth (cytomegalovirus or rotavirus)
-autoimmune disorder
-developmental issue in womb
-exposure to toxic substances
What are symptoms of biliary atresia?
jaundice
dark urine
light to white stools
poor wt gain and growth
How do you diagnose biliary atresia?
any infant with jaundice present 2-3 weeks after birth
-direct and indirect serum bilirubin
, -LFTs
-abdominal x-ray
-abdominal US
-liver bx
How do you treat biliary atresia?
-surgery (Kasai procedure), small intestine is attached directly to the liver to allow bile to
flow into the small intestine bypassing the cystic, hepatic, and common bile duct.
-liver transplant
What are risk factors for dehydration?
GI virus
NVD
What are s/sx of dehydration?
-sunken fontanels
-tachycardia and decrease cap refill >2-3 seconds
-decrease urine output is sensitive but nonspecific
-increase in urine specific gravity
-decrease BP- late finding=more than 10% fluid loss
How do you treat dehydration?
-if minimal, mild, moderate- oral rehydration
-if severe (drowsy, cold extremities, lethargic, sunken/dry eyes, very depressed anterior
fontanel, no tears, dry mouth/tongue, very decreased skin turgor, rapid/sometimes
impalpable pulse, decreased/unrecordable pulse, deep/rapid respiratory rate, markedly
reduced urine output) - IV fluids
What is emesis?
vomiting=symptom
must distinguish from regurgitation in infants
integrated response to noxious stimuli-coordinated by CNS
What is acute emesis?
short-term
abrupt onset
episodic
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