Every time I inject and aspirate to make sure that I haven´t hit a blood-vessel, I always get massive air-bubbles back into the syringe!
I then stop, take it out, pop out the bubbles and start over again. But it happens everytime!
3 out of 10 times I get blood, having to inject at some other place. But 9 out of 10 times I get massive airbubbles! Am I doing something wrong when I suck out the test, or is this somewhat normal?
I then stop, take it out, pop out the bubbles and start over again. But it happens everytime!
3 out of 10 times I get blood, having to inject at some other place. But 9 out of 10 times I get massive airbubbles! Am I doing something wrong when I suck out the test, or is this somewhat normal?