Physiological Neonatal Jaundice

Study sheet excerpt

Course Outline

  1. Jaundice Definitions and Frequency
  2. Bilirubin Production and Metabolism
  3. Why Newborns Develop Jaundice
  4. Typical Physiological Jaundice
  5. Recognising Jaundice and Risk
  6. Bilirubin Assessment and Measurement
  7. Complications and Treatment
  8. Prolonged Jaundice and Breastfeeding

1. Jaundice Definitions and Frequency

Key Concepts & Definitions

  • Jaundice : a yellow colouration of the skin and sclerae caused by the accumulation of bilirubin after red blood cell breakdown.
  • Kernicterus : the clinical features of acute or chronic bilirubin encephalopathy, including cerebral palsy, hearing loss and visual problems.
  • Term baby : born at 37 weeks or more of gestational age.

Essential Points

  • Approximately 60% of term babies and 80% of preterm babies develop jaundice during the first week of life, and it is harmless in most babies. — NICE, 2010

Memory Hook

Physiological jaundice is usually transient and harmless, whereas pathological jaundice may signal serious disease.

2. Bilirubin Production and Metabolism

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Quiz preview

1. What does jaundice describe in a newborn?

2. Which finding is characteristic of kernicterus?

3. What proportion of term babies develops jaundice during the first week of life?

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Flashcards preview

What causes the yellow colouration in jaundice?

Accumulation of bilirubin after red blood cell breakdown.

What gestational age defines a term baby?

37 weeks or more of gestational age.

What does kernicterus clinically indicate?

Acute or chronic bilirubin encephalopathy.

Name one clinical feature of kernicterus.

Cerebral palsy.

What percentage of term babies develop jaundice in the first week?

Approximately 60%.

What percentage of preterm babies develop jaundice in the first week?

Approximately 80%.

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The study sheet covers the essential concepts of Physiological Neonatal Jaundice. It is organized by topic to facilitate learning and memorization, with key definitions, explanations and summaries.

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The quiz contains 26 multiple-choice questions with detailed corrections and explanations for each answer. Ideal for testing your knowledge and identifying gaps.

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