It refers to the sampling blood from a puncture on the finger, heel or an earlobe
Capillary blood sampling
increasingly common in medicine
capillary blood sampling
other terms of capillary blood sampling
capillary, dermal, or skin puncture
sterile, disposable, sharp-pointed or bladed instrument that either punctures or makes an incision on the skin to obtain capillary blood specimens for testing
lancets
safety engineered device used for the finger stick collection of blood
CONTACT ACTIVATED LANCETS
makes a surgical incision instead of a guillotine puncture wound so that tissue damage and pain are virtually eliminated
TENDERLETT DEVICES
high quality, single use lancets available in two formats
CAPIJECT
two formats of capiject
blades or needles
easy to use; fast launching for convenient use
ACCU-CHEK
helps maximize blood flow and minimize pain when performing heel sticks on newborns and babies
HEEL PUNCTURE LANCET
laser typically vaporizes water inthe skin to produce a small hole in the capillary bed
LASER LANCETS
no risk of accidental sharps injury, and no need for sharps disposal
laser lancets
called microtubes and often referred to as bullets because of their size and shape
MICROCOLLECTION CONTAINERS
special small plastic tubes used to collect thetiny amounts of blood obtained from capillary punctures
microcollection containers
disposable, narrow-bore plastic or plastic-clad glass capillary tubes that fill by capillary action
MICROHEMATOCRIT TUBES AND SEALANTS
MICROHEMATOCRIT TUBES AND SEALANTS typically hold ___ microliter of blood
50 to 70
is a clay likematerial used for sealing microhematocrittubes.
Sealant pad
Includes holder tray with __ numbered slots fortube storage
24
no anticoag
blue
coated w/heparin
red, green, or yellow
long thin narrow-borecapillary tubes, 100 mm in length & capacity of 100 microliter
CBG collection tubes
small metal filings inserted into the tube after collection to aid in mixing the anticoagulant
Stirrers
used to mix specimen
magnet
closures used to seal CBG tubes
plastic caps
glass microscope slides are occasionally used to make blood films for hematology determinations
MICROSCOPE SLIDES
Capillary specimens are a mixture of __, __, and __, along with __ and __
arterial, venous, and capillary blood; interstitial fluid and intracellular fluid
fluid in the tissue spaces between the cells
Interstitial fluid
fluid within the cells
Intracellular fluid
Hemoglobin, potassium, and serum sample are
higher in capillary blood
Calcium, total protein, plasma sample are
higher in venous blood
Available veins are fragile or must be saved forother procedures such as ___
chemotherapy
Several unsuccessful venipunctures have been performed and the requested test can be collected by ___
capillary puncture
The patient has __ or __ tendencies
thrombotic; clot-forming
Special procedures that require capillary blood
Malaria test
Infants have a small blood volume; removingquantities of blood typical of venipuncture orarterial puncture can lead to ___
anemia
According to studies, for every 10 mL of blood removed, as much as ___ is also removed
4 mg of iron
Large quantities removed rapidly can cause ___
cardiac arrest
Puncturing deep veins can result in
hemorrhage, venous thrombosis, infection, and gangrene
Capillary blood is the preferred specimen for some tests, such as
newborn screening tests
Tests that cannot be collected for capillary puncture