Tip 194: cyanotic congenital heart disease

Clinical features suggesting a cardiac cause of cyanosis include:

  • Family history of congenital heart disease
  • Antenatal diagnosis / concerns of cardiac anomaly
  • Clear cardiac signs
  • Little / absence of respiratory distress
  • Presence of shock / metabolic acidosis
  • Cyanosis not improving with oxygen delivery
  • Abnormal heart shadow / lung vasculature on chest x-ray
  • Hypo / normocapnia on blood gas

Reference: Rennie & Roberton’s Textbook of Neonatology, 5th Ed, 2005. London: Churchill. Chapter 28. Pg 646.

Previously published: 24/11/14

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