CCRN Critical Care Nursing

Category - Neonatal

Baby Dennis is diagnosed by echocardiogram with an atrial septal defect. The specific defect that baby Dennis suffers from is as the result of a reabsorption of the septum primum and/or the septum secundum being undeveloped. What specific type of atrial septal defect is baby Dennis most likely suffering from?
  1. Ostium secundum defect
  2. Ostium primum defect
  3. Sinus venous defect
  4. Coronary sinus septal defect
Explanation
Answer: A- The specific type of atrial septal defect that baby Dennis is likely suffering from is ostium secundrum defect. This is the least worrisome of all the atrial septal defects and also the one most often diagnosed. The defect is detected in the fossa ovalis area.
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