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DEITat
Bloed collection, anticoagulants
Honatology teats and prosed
2.1. Routine
2:2. Antomation ae aoe 8,
23: Special = 58
Hematopoiesis, discases/disozders, veference valve %
‘3,1. Hemavopoiesis (in general) : ree
(TUT E-2-Beythropoiesia and Rats 7 = ie
3:3. Leukopoiesis anc WECs See Fe Tze
Sid. Thrombopotesis afid platelets Tos
@Wagaiation (principles, procedures, discusea/ Wonders aad caference valsee) 25
Gai, Hemostasis ~ thesvies/concepts, mechani: ea
i 4121 Geaguletion procedures/teste = 3%
4:3. Coagulasion factors, di! gorders Toe
Guality assurance : 3
[eeeeeeeeercreeeeeeee = Toe
“GoMPOSTTION OF BLOOD
f Totel blood volume in ay adule DTT SS
1 PHEBOVOREMTA | dee in bleed vole
LEMAR, gy ree | S Lng ef whole bleed Less of 2 shy er
. rf _ plasm
t 7 Vo
| sees cee
Se Formed SIaGeRts’ HCE, Wees and plavelers
\S8erinsaporticn
s SERUM
[Senos water | EEBEE pewtten of clotted hiced
+408 Proteins (albumin, globulin, fibrinogen)
Cazhenydrate, vitamins, hormones, | pnasMa
Se eer __Higia Portion of anticoagulated blood
ANTICOAGUL. AR Fluide Weds seme
. = a = Versane is used i conaenirations of L8G 0.25) mame
+ Sequestrens is used tn-the liquic farm
| | = “Most cormmoniy used anticoaguiant for nematoiogy 2b
| © Breparation of blood films up to 2 te $ hours following blood collection
0-7
2 Ge ie
Befinheral borders ot neussaphie, oa
am factor vihien reacts In the pisssneasoh: ime
Inthe presence of EDTA
oer & b 2s an_anicoagulant should correst this-prabiar
vine Because a Sain nS oltate Tubes, it ie neoseeary To rpuliph,
ia
i eptalnes pleelct gou wiaiiae %, Ven ¥SE
0 irs," eee caescaa e Yon VE
Cee rca A iorcosguiation | _ -MGHG and a falsely lo ESR) a -
Prbick se ton. “Bogeneraive sHangessm Wace ond the platelets will swell and. bree
aie esause EDTA neti cnacing s fasely increased platelet count (ago ty tho broken fragments
ee a a
texans iereet 7 Bagensraive cplotarchanges
St som veuperataze |. WSCsmay show vacuniminn otthe ovtonlasm and | netcigeration of blood a4
ater 3 hours rere omogenaut nuns, reqs’ or pany defies | wi low down he degenara
aaean Gylanlasmiebamers, anc developmen sfitegulary | provess, and there wil be ttle
-_shapss.aveiet evidence of change In the
__| BEB Se wit ncroase in size ten sisineegeate | Ramatger WO sount of RBC
| FERee Te Biwes £-ReGe wil begin to-swoll, causing an iqerease INMICV "count afer 24 hours.
Si'ieom teaperstuze | 5. Decreased ESR (wollen RBCS don rouloaune ee
artes hours | iefeased OFT AMC PORT VPS 0-104 H
2 =o Light blue-top {ub65 are used Tor ia concentration of
| * Prevents sanmuation by tading | Bart Q.208 8 (3-241 ‘sodium. Citfate (trisodium chrate dehydrate) to
eae ot oboe parts whole Biood:upiantiosadi : a
we Soldéle complex ang also helps the |» Buffered 9.109 ™ cirate may Increase the stabil (Sacer v 20g a
| Soe Pltolots retain” their functional | « “Whenever ne pallont hematocrit = S894 the amiountof socTum cate
‘capabilities - “tie collection tube should be decreased; the following formula may be su:
| - “ae four eins), qe determine tne proper amount of sodiim cttrato:
ou Ahew ve Amount of sodium citrate = 100—hemateerit x mL of whole blood used
Sjeapt hens
ceeds 596 — hematocrit
ee. luni eaamecasee | RARE => conan ‘trate and are used for the!
si . oo the ratio of amtfcdanatenttos 7Rag Wt a GE oF STH URES | = i
eR Ceagulstian ic provorned ay te |g
t a q A ts eat ate.
i interscton wit anttvombo | « Eee Wibcsten
| id Subsequent ighiblion “of | plates. Thoin for only 2
‘hrombin |. Limited use in nematology and is the anticoagulant of choice for only 2 fer
ores + PISSEFIT HT most body tissues | hematology procedures (¢.g.. cametic. test)
* Used as an in vitee and in| - When blood smear is prepared from hey ‘SPevimen and Wrigh
saive_anticoaguiant Suh
+ “Least interference wifhanelyses | « Never us&d Tor coagulation studiés because of heparin's inhibitory efféct 0
+ Eight inversiong-(@—20x) thrombin
= +_May also cause error in
= (Potassium oxalate ig the mos! widely usec
1 SERSSSRATMY aUtied 1 Tubes ContInTng Tlucose preservatives to provide
1 Acts by formation of Insaluble
: F |
an sae
WO, SS maMCOreted usually |
|
|
+
“| employed
+ _Elghtto ten inversions
je) shrinks cells (2 parts) Yosh Mec y
ur ‘swells calls (2. parts)
Serves glucose for 24 hours (otherwise, approx.. 7% glucose destroyed/nr)
Combined with potassium oxalate anticoagulation needed
a
(8= 10%)
Infibits yeas, ot an
‘anticoagulant aa
seer »
@ okvete
ere wer dyels fen Defilwivebed bled — SET, FE
SPECIAL-USE ANT AGULANTS ~ ad . oe Arvtohernds
7 eeause, in addiion To being an anilcoagulant, W reduces the acto
nate” | of complement. whieh destroys hacteria. lt also slows down ahagacytosis (Ingestion of bacteria b
EDTA pale, purpe| jo Sreae - EDF Soran
AR,
ORDER OF DRAW EMA
‘Blood culture tubes (yellow) Your.
Coagulation sodium citrate tube qwiue stopper) gusuifai |Z. Slides, unless made from EDTA microcollection tube
‘Serum tubes with or without clot activator or gel separator{oie's | EDTA microcollection tubs:
Heparin tubes witn or without gel (green stopper) Grow ¢ I
5
* Other microcollection tubes with anticoagulants (L.e., green
) EDTA tubes (lavender stopper) Eeuey
6. Glyoolytic inhibitor tubes stopper) Fhavice, Gray | 5. Seru
de te 2
cup GoLOR AND ANTICOAGULANT/ADDITIVE ”
Non ‘SeruTvchemistty and serology
Red ‘Clot activator im/chemistry and Serology | Silica clot activator
(plasticHemogard) | _ _
Lavender (glass) | GEDTA in iquid fom Pasinamamatoion | ehetates nas aaa
‘Lavender (plastic) | KoEDTA/spray-drieo | Piasmamnematology T Ghelates (binds) calcium
Pink Se Spray-dried K2EDTA _ ‘Biasma/blood bank ‘Chelates (binds) calcium
wie EDTA oe Prasma/p lagnost ‘Chelatos (binds) caloum
[ight 6iue Scat Plasma/coagulation {[Chelates (binds) caleium —
Light Blue | Thrombin and soybean trypsin Plasma/coaguiation | Good for fibrin degradation
inhibtor ee | products
‘Black ‘Sodium arate ~— BiasmavESA—hematoren ["Chelates (binds) caleium
Light green/biack Lithium heparin and gel Plasma/chemistry Inhibits thrombin Formation
‘Green ‘Sodium heparin, ithium heparin Plasma‘chemisiry inhibits thrombin formation
Royal bie Sodium heparin, NaxEDTA Piasine/onemistryoweoIoay Heparin inhibis thrombin
\ | | formation NazEDTA binds
I I 7 cH || calcu
Gay Sodium fords aed Thiam jasrnalglusase (esting Tinnioits alvesivers
| fadoacetate = |
Yellow | Sterile containing sodium | Serum/microbiology culture | Aids in bacterial recovery b
{ | polyanetholesulfonate (SPS) inhibiting complement,
i ' phagocytes and certain
is eee __| antibiotios
Yoiiow | Reid Giate dextrose (ACBy | Sarurnotood bank, HLA | RBC pressivaive
z _| phenotyping ana paternity testing | i
Fan gies) ‘Sodium heparin Plasnafead testing —— ‘inhiis thrombin formation
Tan (plastic) [EDTA ——TBiasmiviead testing ‘Chelates (binds) calcium
| Yellowigray and | Thrombin: [ ‘Serumvchemistry, | ‘Clot activator
‘orange zi eae
( Redigray and gots | Giot aaiivator Separation gel | Seninvehersiry Silica clot acivatorbeMax Review auB ANNA LEAH NAVARRO 4639479560660 Page 13
BLOOD COLLECTION
i lose than 6 months of age generally do not have a large: tlocd supply and Its dangerou
2. Infant
blood in venipuncture.
b. Inyoung children, if only @ small amount of blood is needed, 2 skin puncture is performed on the finger.
e Wiben en eduit has poor veins, when the veins cannot be Used because of IV Infusions, or in the case of a severely bumed
patient, the finger may be used as a phlebotomy site.
7 Capiliary blood, peripheral blood 1
= mixture of capillazy, venous and arterial bl
i#ferent from those obtarneti on venous specimens
LOWER RBC count,
HIGHER_Wi
Br, in-older ehiren ang adults, the pelmac-surface of the distal portion of the third (micia).or fownh_(Ang? finger on 2
nondominant hand may be used. anes Gor et
b. “Tnnfants is the-lateral-{outsida) dr medial (Insicie) surface of the olantar side (bottom) of the hes! 7
[Binctures should not be made more than 2 mm decp because of the sisk of bone injury anc
possible infection [osteomyeliti
Mwac |, Pecet, Wb, Pe
[Waiming Gan increase the blood flow sevenfold. The site can be warmed with = warm washcloth ©
a commercial heel warmer. The site should be warmei to a temperature no greater than 42° ¢ fo
no longer than 2 utes, unless the collection is for capillary blood gas _anezyen
their collection
a Ta bee
A= ere
= Eegistane inere
Te
Phiebptoniste should cazrx Aug. pune,
2. VENIPUNCTURE — CleY contco! bub ~
Z. Evacuated tube system 2 t 93 ==.
2 sysinge Is; LLtin Chenett nedies LEMAR, ge
e_ Butterfly infusion set > I
Fhe higher the gauge nunber, th
21 or 22 4
smaller
recommended.
{he standard needle for blood coll
ie a 2i-gauge needle.
The two most widely used needle Leng’
he syringe oF evacuated bicod collection tube
|. the nesdieanoaid be in tke bevel up position, and should make an approximate 15° angle wit
the arms (S-APEL-4 ) ARBOR Be ate.
+ the courndQuee aXould not be Left on For Tongex chan 1 minute.— Jeno covetrv ro how
© When a blood pressure cuff is used as a tourniquet, iz is usually inflated to approximatel
Tene as eens ep ae
V vein Soho ‘ege_ Sv aste Leen shempy is arumes tort aid of @ etastes) Ot
|__aizrerent vein from the i hack
SECT Geiss
MeaVeine at ine antecubital region median cubital vein (preterred vein), cephalic veln (Second choice) and basitie vein (init
choice),
b. Altemate sites: Ifa vein cannot be located in eltuer arm, it may be necessary to examine the veins on the dorsal sid
dF the wrist and hand. The veins in the feet should not be used without physician permission. Tere
FAILURE TO DRAW BLOOD
= Ome reason for failure to draw blood is that the vein Is missad, often because of inpraper unede-postoaing
5) Occasionally, an evacuated tube hes insufficient vacuum, and insertion of anotffer Tube yields blood. Keeping extra tubes
suithin reach during blood collection can avoid a recollection when the probiem is a technical issue associated with the tube:
2. PATIENT INTERACTION =
cieanse ace WERNER
+ identity the patient :
+ Nota pationt isoiation restctions + Inspect needle
+ Note pationt dietary restrictions + Perform venipuncture
+ Reassure patient oe + Release tourniquet
* Verity paperwork fae * Position gauze over puncture site
+ Position patient TPLY Awbye + Remove needio and apply pressure
2. ASSEMBLE SUPPLIES AND HOUZPMENT 4. SPECIMEN PREPARATION
# if syringe used, fil tubes
Discard needle
= Label specimens
= Transport specimens promptly and properly
3. VENIPUNCTURE
+ Select general venipuncture lovsiion
* Apply the tourniquet
= Select exact venipuncture site