Phlebotomy Question

Christopher said:
Cengiz M, et al. Influence of tourniquet application on venous blood sampling for serum chemistry, hematological parameters, leukocyte activation and erythrocyte mechanical properties. Clin Chem Lab Med. 2009;47(6):769-76. (PubMed)

Quote:
CONCLUSIONS: Our blood sampling technique which mimicked the application and release of a tourniquet indicated unaltered values for routine blood gases, hematological testing and serum electrolyte levels. Conversely, hemorheological measurements can be affected. Therefore, it is strongly recommended that tourniquet application should be avoided during blood sampling or, if this is not possible, the procedure should be well standardized and details of the sampling method should be reported.
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Huh? Tourniquet for blood gases? Hmmmmmmmmmmm.
 
Has anyone ever used a dry saline lock with vacutainer attached?
 
18G said:
Has anyone ever used a dry saline lock with vacutainer attached?
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Closest thing I had used Would be an extension in a hospital setting but is just a time wasting step enroute i would think.
 
The very few times I've done lab draws, it was usually straight from the catheter into the vacutainer, at least when doing an IV start and having to draw labs at the same time. Otherwise, I did the regular needle into vacutainer or (rarely) butterfly to vacutainer. Every once in a while we'd do the draw with a syringe off the IV hub (after a start) and then transfer the blood to the vacutainers very shortly after that.

I've never done a lab draw off an existing IV without doing a discard tube first.
 
Don't you need to stop the IV also? "Go to Arm #2 please".
 
mycrofft said:
Don't you need to stop the IV also? "Go to Arm #2 please".
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But of course... I'll take Arm #2 for a few mL, Alex... :rofl:

Seriously though, I would certainly stop the IV before attempting to do the draw from it... It makes no sense to attach a vacutainer adapter to a port (somehow) and fill your tubes with a whole lot of saline/LR and maybe a few RBC's... Then again, it might be kind of fun...


CRITICAL VALUE!!! CRITICAL VALUE!!! THIS PATIENT HAS 3 RBC'S IN THEIR BLOOD!!!!!:unsure:

;)
 
I've seen a few winter time IV's started (arm started then tucked under the blanket) and then someone pumps up the BP cuff on the same arm. Then you get that interesting "IV Thermometer imitation".
 
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