I.V. ROUNDS: Drawing blood through a central venous catheter

February 2004 
Volume 34  Number 2
Pages 28 - 28
  PDF Version Available!


  • Basics first

  • Discard method

  • Push-pull method


    ALTHOUGH THE SAFEST and most accurate way to draw blood for lab work is via peripheral veins, you may need to draw blood through a central venous catheter (CVC) if the patient's peripheral veins are no longer accessible. Bear in mind that when you do so, you increase the risk of CVC-related complications, such as occlusion and infection. What's more, lab tests performed on these specimens may be inaccurate because of flushing solutions, medications, infusion solutions, or drawing techniques.

    If you must use a CVC to draw blood, follow these guidelines for safety and accuracy.

    Basics first

    All CVCs are I.V. devices whose tips rest in the superior or inferior vena cava. Examples include peripherally inserted central catheters, tunneled catheters, nontunneled catheters, and implanted ports. To maintain ...

Purchase Now !

To purchase this item, follow the instructions below. If you’re not already logged in, be sure to enter your login information below to ensure that your item is saved to your File Drawer after you purchase it.

Not a member? Join now for Free!

1) If you're not already logged in, enter your information below to save this item in your File Drawer for future viewing.

User name:


Forgot your user name or password?
2)  If you have a coupon or promotional code, enter it
here.(If not, just click Continue.

Digital Coupon: (optional)

3)  Click Continue to go to the next screen, where
you'll enter your payment details.

Featured Jobs

Benefits of Membership

FREE E-Newsletters
Sign up for our free enewsletters to stay up-to-date in your area of practice - or take a look at an archive of prior issues

Join our CESaver program to earn up to 100 contact hours for only $34.95
Register Now

Lippincott's NursingCenter.com
Explore a world of online resources

Become a Member