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Published online by Cambridge University Press:  15 February 2010

Amanda Ogilvy-Stuart
Affiliation:
University of Cambridge
Paula Midgley
Affiliation:
University of Edinburgh
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Summary

Clinical presentation

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Pointers to an endocrine cause

  • Dysmorphic facies and micropenis or ambiguous genitalia (suggesting hypopituitarism, especially if associated with hypotension, see Chapter 7).

  • Pigmented scrotum (see Chapter 11).

  • Hypoglycaemia (see Chapter 2).

  • Low plasma sodium and raised potassium suggesting an adrenal cause (see Chapters 12, 15, and 16).

  • Hypernatraemia (suggesting diabetes insipidus, see Chapter 17).

  • History of birth asphyxia.

  • Parental consanguinity or history of neonatal death.

Approach to the problem

The differential diagnosis depends on the age (and gestation) of the infant.

Rapid assessment of circulatory status (heart rate, blood pressure (BP), pulses, and perfusion) and resuscitation as appropriate.

Differential diagnosis

  • Acute problem with ventilation (including aspiration).

  • Sepsis.

  • Acute blood loss (placenta, arterial line, intraventricular haemorrhage, and gut).

  • Necrotizing enterocolitis.

  • Duct-dependent cardiac lesion, e.g. hypoplastic left heart (assess peripheral pulses).

  • Metabolic (inborn error of metabolism).

  • Addisonian crisis (structural or functional absence of pituitary or adrenal glands, e.g. pituitary infarction, toxoplasmosis, adrenal hypoplasia congenita, adrenocorticotrophic hormone (ACTH) resistance, and stressed infant with congenital adrenal hyperplasia).

  • Salt losing crisis in congenital adrenal hyperplasia.

Examination should be performed for signs of respiratory, cardiovascular, or gut abnormality, and investigations undertaken to exclude non-endocrine causes.

Investigations for possible endocrine causes

  • Blood gas for acid–base status.

  • Blood glucose and hypoglycaemia screen if indicated (see Chapter 2).

  • […]

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Publisher: Cambridge University Press
Print publication year: 2006

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  • Amanda Ogilvy-Stuart, University of Cambridge, Paula Midgley, University of Edinburgh
  • Book: Practical Neonatal Endocrinology
  • Online publication: 15 February 2010
  • Chapter DOI: https://doi.org/10.1017/CBO9780511544736.014
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  • Collapse
  • Amanda Ogilvy-Stuart, University of Cambridge, Paula Midgley, University of Edinburgh
  • Book: Practical Neonatal Endocrinology
  • Online publication: 15 February 2010
  • Chapter DOI: https://doi.org/10.1017/CBO9780511544736.014
Available formats
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Save book to Google Drive

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  • Collapse
  • Amanda Ogilvy-Stuart, University of Cambridge, Paula Midgley, University of Edinburgh
  • Book: Practical Neonatal Endocrinology
  • Online publication: 15 February 2010
  • Chapter DOI: https://doi.org/10.1017/CBO9780511544736.014
Available formats
×