Phlebotomy
Donor Preparation:
1.
The phlebotomist should wash his/her hands with soap and water and
should wear sterile gloves.
2.
Select the required bag and write donor no., date of collection
and expiry.
3.
Inspect the bag for leakage
or any other defect. The anticoagulant solution must . be clear. Place the bag
on a pre-programmed blood collection monitor and press the start button.
4.
Choose the site of
venipuncture in the anticubital are of the arm. Apply blood pressure cuff,
inflate to 50-60mm of Hg and select a prominent and firm vein in the area that
is free of any skin lesions/needle marks. Asking the donor to close the fist
usually helps in bringing the vein in to prominence.
5.
Release the blood pressure cuff and thoroughly clean the selected
site of venipuncture with an antiseptic lotion in the following way.
a)
Clean 4-5 cm area starting
at the site of venipuncture and moving outwards in a concentric spiral way with
methylated spirit/alcohol.
b)
Apply about 10% providone-iodine solution (betadine) in the same
way - as spirit. Allow it to dry.
c)
Clean with methylated sprit or alcohol and allow it to dry.
d)
The cleaned area is ready
for venipuncture and should not be touched.
Method of Phlebotomy
1.
Inflate blood pressure cuff to maintain pressure 50-60mm of HG.
Ask the denor to close the fist.
2.
Uncover the needle and
perform venipuncture immediately, using aseptic procedure.
3.
Ask the donor to open and
close hand or to squeeze the rubberball.
4.
The donor should be under constant observation throughout the
phlebotomy and
should
never be left an attended.
5.
As soon as the required amount of
blood is collected, remove the blood pressure cuff.
6.
Place a sterile swab at the venipuncture
site and withdraw the needle applying light pressure.
7.
Take the bag to the processing table, transfer 3 ml of blood from
the tubing to 2 pilot tube attached to the bag (clotted & citrated)
and make a blood smear for detection of malarial parasite
8.
Make sure that some blood remains in the
tubing
9.
Seal the tube with dielectric tube
sealer and separate the needle
10.
Needle is destroyed with needle destroyer
11.
Keep the blood bag at 2 - 6°C in the untested refrigerator
immediately. If platelets are to be harvested the bag should be kept
at 20-22° (room temp.) till platelets are separated.
12.
The donor should remain on the bleeding couch for 8-10 minutes
under observation of the staff. Then the donor is allowed to sit up and go for refreshment.
13.
Check the arm and apply band-aid after bleeding stops.
14.
Light refreshment like biscuits and
tea/coffee/soft drinks are given to donors.
15.
Following instructions are given to the
donors.
a. Drink more fluids than usual in the next 4 hours. Do
not remain hungry.
b. Do not smoke for half an hour.
c. Do not take
alcoholic drinks for at least 6 hours.
d. If there is bleeding from the phlebotomy site. Raise
the arm and apply pressure.
e. If there is feeling of faintness or dizziness,
either lie down or sit with head between knees. If symptoms persist, ask for
help, return to the blood bank or consult any doctor.
f. Remove the band- aid after 5-6 hours
Therapeutic Phlebotomy:
Therapeutic
phlebotomy shall be done only on the request of the patient's physician. The
blood collected in such circumstance shall not be used for transfusion.
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