Acyanotic heart defect

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The condition of acyanotic heart defect occurs when shunting (flowing) of blood occurs from the left side of the heart to the right side of the heart due to a structural defect (hole) in the interventricular septum. Patients retain normal levels of oxyhemoglobin saturation in systemic circulation.

Signs and symptoms[edit]

  • Shortness of breath -(Maternal Child Nursing Care 2014)
  • Congested cough
  • Diaphoresis
  • Fatigue
  • Frequent respiratory infections
  • Machine-like heart murmur
  • Tachycardia
  • Tachypnea
  • Respiratory distress
  • Mild cyanosis (in right sided heart failure)
  • Poor growth and development (from increased energy spent on breathing)



Left to right shunting heart defects include:


Acyanotic heart defects without shunting include::

See also[edit]


^NCLEX-PN Review 2nd Ed. (2006). Lippincott Williams & Wilkins. ISBN 1-58255-915-5.