Exam (elaborations)
Perinatal Period: Questions With Complete Solutions
- Course
- Institution
Perinatal Period: Questions With Complete Solutions
[Show more]
Content preview
Perinatal Period: Questions With Complete SolutionsPerinatal Period Right Ans - -Pertaining to the period immediately before
and after birth
-Commences at 22 weeks gestation
-Ends 7 completed days after birth
-Perinatal and maternal health are closely linked
Pulmonary Adaptation Right Ans - -In fetal circulation/oxygenation, the
normal cord is 3 vessels (1 vein and 2 arteries)
-Umbilical arteries are paired and carry deoxygenated blood from fetus to
placenta
Umbilical *vein* carries _________ blood from ________ to ________ Right Ans - -
Oxygenated
-Placenta
-Fetus
Pulmonary Adaptation: SUA Right Ans - -An isolated single umbilical artery
(SUA) occurs in up to 2% of all live-born infants
-Can be detected prenatally or on PE of newborn after birth
-Believed to result from either aplasia or atrophy of 2nd umbilical artery
-Associated structural or chromosomal anomalies are found in 27% of infants
with SUA, with renal malformations MC
-Seen more frequently in monoamniotic twins, and intrauterine growth
restriction is observed 18% of time
-A newborn found to have a SUA should by thoroughly examined for
dysmorphic features, abdominal masses, and presence of heart disease
-Considered high risk pregnancy
-Needs higher resolution, increased serial ultrasounds and possible earlier
delivery (36-37 wks)
Respiratory Distress Syndrome - preterm Right Ans - -One of the MC
symptom complexes of the newborn
-Primarily a disease of preterm infants within first 24hours of life
-Can affect term babies, specifically infants of diabetic moms
-Approx. 50% of infants born between 26 and 28 weeks gestation develop
RDS, drops to 20-30% at 30-32 weeks
, -Introduction of prenatal steroids and exogenous surfactant have improved
outcomes in patients with RDS
RDS - preterm - Pathophysiological mechanism Right Ans - -Involves
noncompliant, stiff lungs that are structurally immature that contain
insufficient surfactant
-This status leads to atelectasis at end of expiration
-Get ventilation-perfusion mismatch
-Promotes hypoxemia, hypercarbia and then persistent pulmonary htn
RDS - preterm - Noncardiopulmonary causes include: Right Ans - -
Hyperthermia, hypothermia
-Hypoglycemia
-Drug intoxications
-Central nervous system insults
-Polycythemia
-Metabolic acidosis
RDS - preterm - Cardiopulmonary causes include: Right Ans - -Hypoplastic
left heart
-Aortic stenosis
-Coarction of aorta
-Upper airway obstruction
-Meconium aspiration
-Pneumonia
-Pneumothorax
RDS - preterm - Tx Right Ans - -Multidisciplinary approach
-Basic principles of neonatal care: thermoregulation, cardio and nutritional
support, early infection care
-Nasal CPAP
-Surfactant replacement
RDS - preterm - Prevention Right Ans - -Prevention of prematurity,
asphyxia, avoidance of maternal fluid overload
-Prenatal administration of a single course of steroids to women in preterm
labor between 24-34 weeks gestation
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Studycafe. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
82215 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now