Practice Quiz

Respiratory Therapist

Category - Patient Evaluations and Recommendations

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Where should a Swan-Ganz catheter be positioned for a chest x-ray?
  1. 1-2 cm below carina
  2. 1-2 cm above carina
  3. 1-3 cm beyond the main pulmonary artery
  4. Less than 1 cm beyond the main pulmonary artery
Explanation
Answer: C - Proper placement of a Swan-Ganz catheter is a few centimeters beyond the midline of the main pulmonary artery.

Correct placement of a Swan-Ganz catheter should be confirmed using the main pulmonary artery as a guide. If not inserted far enough, it can slip into the ventricle and can cause overwedging to occur.
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