What flush solution is recommended for intravenous catheters larger than 24 gauge?
a. Saline
b. Heparin
c. Alteplase
d. Heparin and saline combination
ANS: A
The recommended solution for flushing venous access devices is saline. The turbulent flow flush with saline is effective for catheters larger than 24 gauge. The use of heparin does not increase the longevity of the venous access device. In 24-gauge catheters, heparin may offer an advantage. Alteplase is used for treating catheter-related occlusions in children. The heparin and saline combination does not offer any advantage over saline or heparin individually.
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