Pulling back on the plunger.

[Marty_4]

When pulling back on the syringe plunger to check for blood. How far do you pull to check? I usually pull till I get the air from the neck of the syringe to come floating away? Correct?

[Bossman]

You only have to put a little back pressure on the plunger. If it's in a vein, you will know it.

[lovbyts]

Correct, until you see the bubble or until you see blood.

If you see blood I recommend you DONT push the plunger down.......

[an@b0l1x]

When pulling back on the syringe plunger to check for blood. How far do you pull to check? I usually pull till I get the air from the neck of the syringe to come floating away? Correct?

The same subject was discused a few days ago in another thread and they say you should pull strong enough to see the "vacuum bubbles". However if you are into a vein the plunger will pull very easily..

[Zedik]

and there should be resistance when you pull back and the plunger will return back to the start point

[Swifto]

You only have to put a little back pressure on the plunger. If it's in a vein, you will know it.

Agreed.