A nurse is changing the administration set on a client's central venous catheter. Which intervention is most important for the nurse to complete?
a. Have the client hold his breath during the set change.
b. Keep the slide clamp on the catheter extension open.
c. Position the client in a high Fowler's position.
d. Position in the client in a semi-Fowler's position.
A
An air embolus is less likely to form if the exit site is lower than the level of the heart, and if pressure in the thoracic cavity is greater when the disconnection occurs. Having the client perform the Valsalva maneuver and maintain it during disconnection and reconnection helps maintain higher intrathoracic pressure. The slide clamp on the catheter extension should be kept clamped. The client should be placed in the flat position when administration sets are changed.
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