Questions and Answers
What is the normal range for the Ponderal Index (PI)?
Which of the following is NOT a recognized cause for a Large for Gestational Age (LGA) infant?
Which birth injury is specifically associated with a brachial plexus injury during delivery?
Which condition is characterized by a fetal response to maternal hypoglycemia?
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Which of the following is a common problem encountered in pre-term infants?
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Study Notes
Ponderal Index (PI)
- Formula for calculating PI: PI = weight (in g) / (length (in cm))^3 x 100
- Normal PI range is between 2 and 2.5
Large for Gestational Age (LGA)
- Defined as birth weight or length greater than the 90th percentile
Causes of LGA
- Constitutional Factors: Genetic predisposition
-
Infant of Diabetic Mother: Fetal exposure to maternal diabetes leads to complications
- Maternal hypoglycemia results in fetal hyperglycemia
- This triggers fetal hyperinsulinemia
- Associated condition: Beckwith-Wiedemann Syndrome leading to hyperinsulinism
Problems Associated with LGA
-
Birth Injuries: Higher incidence observed
- Cephalhematoma: Collection of blood between the skull and periosteum
-
Brachial Plexus Injury: Damage during delivery
- Frequently linked to clavicle fracture during C.N. deliveries
- Humerus fractures more common in Cesarean sections
- Polycythemia: Increased red blood cell concentration
- Hypoglycemia: Low blood sugar levels post-birth
Pre-Term Child
- Prematurity is a significant factor in neonatal care and outcomes.
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Description
Test your knowledge on the Ponderal Index and its significance in assessing newborns. Explore the concepts of LGA (Large for Gestational Age) and its causes and related birth injuries. This quiz is essential for anyone studying neonatology at any level.
