Which is the most common complication during insertion of a pulmonary artery catheter?

a. Infection
b. Cardiac dysrhythmia
c. Coughing
d. Catheter dislocation

ANS: B
The most common complication during insertion of the catheter is cardiac dysrhythmia, especially premature contractions. Other problems include infection, thrombus, pulmonary emboli, pulmonary infarction, pneumothorax, hemothorax, and vessel or heart perforation.