An infant is experiencing dyspnea related to patent ductus ...

[JMatthes]

An infant is experiencing dyspnea related to patent ductus arteriosus (PDA). What does the nurse understand regarding why dyspnea occurs?
 
  a. Blood is circulated through the lungs again, causing pulmonary circulatory congestion.
  b. Blood is shunted past the pulmonary circulation, causing pulmonary hypoxia. c.
  Blood is shunted past cardiac arteries, causing myocardial hypoxia. d.
  Blood is circulated through the ductus from the pulmonary artery to the aorta, bypassing the left side of the heart.

Question 2

A father asks why his child with tetralogy of Fallot seems to favor a squatting position. What is the nurse's best response?
 
  a. Squatting increases the return of venous blood back to the heart.
  b. Squatting decreases arterial blood flow away from the heart.
  c. Squatting is a common resting position when a child is tachycardic.
  d. Squatting increases the workload of the heart.

[maya.nigrin17@yahoo.com]

Answer to Question 1

ANS: A
When PDA is present, oxygenated blood recycles through the lungs, overburdening the pulmonary circulation.

Answer to Question 2

ANS: A
The squatting position allows the child to breathe more easily because systemic venous return is increased.

[JMatthes]

Thank you

[maya.nigrin17@yahoo.com]

No problemo