test 6 total anomalous pulmonary venous return (TAPVR)

Question 1

Total Anomalous Pulmonary Venous Return (TAPVR)

Answer 1

• all 4 pulmonary veins enter the right side of the heart
  • All oxygenated blood returns from the lungs back to the right atrium or a vein flowing into the right atrium and NOT to the left side of heart.
• In other words, blood simply circles to and from the lungs and never gets out to the body. (2 separate circulations)

Question 2

Total Anomalous Pulmonary Venous Return (TAPVR) symptomology

Answer 2

• Cyanosis
• Pale, cool or clammy skin
• Difficult/rapid breathing
• Tachycardia
• Poor appetite and insufficient weight gain (failure to thrive)
• Unusual tiredness or irritability

Question 3

If you have Total Anomalous Pulmonary Venous Return (TAPVR), what is absolutely necessary to live

Answer 3

• In order for the infant to live, a large atrial septal defect (ASD) or patent foramen ovale must exist
to allow oxygenated blood to flow to the left side of the heart and rest of the body.
• Identical oxygenation in 4 chambers (w/ASD)

Question 4

TAPVR w/unrestrictive ASD O2 Saturations

Answer 4

• all chambers have the same O2 saturations (87%)