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basal state

The resting metabolic state of the body early in the morning after fasting for a minimum of of 12 hours.

bilirubin

A product of the breakdown of red blood cells.

edema

Swelling due to abnormal accumulation of fluid in the tissue.

hematoma

A swelling or mass of blood (often clotted) such as that caused by blood leaking from a blood vessel during or following venipuncture.

hemoconcentration

A decrease in the fluid content of the blood, with a subsequent increase in nonfilterable large molecule-or protein-based blood components such as red blood cells.

hemolysis

Damage or deconstruction of RBCs and release of hemoglobin into the fluid portion of a specimen, causing the serum color to range from pink (slight hemolysis) to red (gross hemolysis)

hemolyzed

The condition of serum or plasma that contains hemoglobin from broken RBCs.

jaundice

Also called icterus; a condition characterized by increased bilirubin (a product of the breakdown of red blood cells) in the blood, leading to the deposition of yellow bile pigment in the skin, mucous membranes, and sclerae (white of the eyes) giving the patient a yellow appearance.

lipemia

Increased lipid content in the blood

mastectomy

Breast excision or removal.

sclerosed

Hardened

syncope

Medical term for fainting, the loss of consciousness and postural tone that results from insufficient blood flow to the brain.

accession

The process of recording in the order received.

anchor

To secure firmly, as in holding a vein in place by pulling the skin taut with the thumb.

ASAP

As soon as possible

bedside manner

The behavior of a healthcare provider toward or as perceived by a patient.

concentric circles

Circles with a common center; starting from the center and moving outward in ever-widening arcs.

DNR/DNAR

Do not resuscitate/Do not attempt resuscitation

fasting

No food or drink except water for approximately 12 hours.

hospice

A type of care for patients who are terminally ill.

ID band/bracelet

Identification band/ bracelet

ID card

Clinic-issued patient identification document.

MR number

Medical record number used for patient ID.

needle sheath

Needle cap or cover

NPO

Nothing by mouth

palpate

Examine by feel or touch

patient ID

The process of verifying a patient's identity.

reflux

The backflow of blood into a patient's vein from the collection tube during venipuncture.

requisition

The form on which test orders are entered and sent to the laboratory.

stat

Immediately

additive

A substance placed within a tube or collection container. Can be a liquid, powder, or spray-dried coating.

anticoagulant

A substance that prevents blood from clotting

antiglycolytic agent

A substance that prevents glycolysis, the breakdown or metabolism of glucose by blood cells.

antiseptic

A substance that inhibits the growth of bacteria and is used to clean the skin.

bevel

The point of a needle that is cut on a slant for ease of skin entry.

butterfly needle

Another term for a winged infusion set.

clot activator

A substance that enhances the coagulation process.

disinfectant

Substance or solution used to remove or kill microorganisms on surfaces and instruments.

EDTA

Ethylenediaminetetraacetic acid, and anticoagulant that prevents coagulation by binding or chelating calcium; it is used for hematology studies because it preserves cell morphology and inhibits platelet clumping.

evacuated tube

Type of tube used in blood collection that has a premeasured vacuum and is color-coded to denote the additive inside.

gauge

A number that relates to the diameter of the lumen of a needle

heparin

Anticoagulant the prevents clotting by inhibiting thrombin formation.

hub

The end of the needle that attaches to the blood collection device; also the threaded end of a tube holder where the needle attaches.

lumen

The inner space of a blood vessel or tube.

order of draw

A special sequence in tube collection that is intended to minimize additive carryover or cross-contamination problems.

shaft

The long cylindrical portion of a needle.

sharps container

A special puncture resistant, leak proof, disposable container used to dispose of used needles, lancets, and other sharp objects

sodium citrate

An anticoagulant that prevents clotting by binding calcium and is used for coagulation tests because it does the best job of preserving the coagulation factors.

sodium fluoride

An additive that preserves glucose and inhibits the growth of bacteria.

SST

Serum separator tubes

thixotropic gel

An inert synthetic gel substance in some ETS tubes that forms a physical barrier between the cells and serum or plasma when the specimen is centrifuged.

winged infusion set

A 1/2 to 3/4 inch stainless steel needle permanently connected to 5 to 12 inch length of tubing with either a Luer attachment for syringe use or a multisample Luer adapter for use with the evacuated tube; also called a butterfly needle.

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