Get Virtual Care
For Businesses
About Us
A member asked:
Why blood go up the tube during blood draw?
A doctor has provided 1 answer
Pressure gradient: There is a pressure gradient that allows the he vein into the blood to flow from tube.
Answered 1/19/2020
5k views
Thank
Related Questions
A member asked:
Blood draw fromButterfly needle with clean tube attachedat Clininc ,wanted to know hiv dies once dried inside needle ? HIV would die within minutes ?
A doctor has provided 1 answer
A member asked:
Could 6 tubes of blood draw over 3 weeks quickly worsen anemia symptoms of a severely anemic person (half the blood volume, half the rbc)?
2 doctors weighed in across 2 answers
People also searched for:
Blood draw in wrist. Grape sized swelling during last tube. 4 days later swollen, painful, & very dark bruise in line down center of wrist underside.
How do you get the blood out of a vacuum tube once you've drawn it?
Tech put on new gloves and drew my blood with butterfly needle, then I noticed when she dabbed me to put on my bandaid she had blood on her glove. Could she have gotten blood on her glove from the tube from my blood from the butterfly needle?
When drawing blood what color tube to use for liver functions
Had a blood test done this morning. It was a large order from my doctor. On the 7th tube drawn I felt light headed and very weak like I was going to pass out. I was not fasting and not anxious. What can cause this feeling ?
Didn't find what you're looking for?
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your questionMore of what we treat
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.
HIPAASecure
SOC 2 Type 2Certified
JCAHOAccredited
Download HealthTap
Video visit and message your doctor
