PMLS LAB Flashcards
Purpose for capillary puncture:
-Hematocrit Testing
-Peripheral Blood Smear
-Capillary Blood Gas
-Glucose Monitoring
-Complete Blood Count
-Newborn Blood Spot Test
Materials for Capillary Puncture
- Capillary Tube
- Lancet
- Sealing Clay
- Warming Devices
- Slides
- Microcollection Tubes
- CBG Equipment
Blue Lancet is used for _______________________
Adults
Violet Lancet is used for ______________________
Babies/ Infants
Depth of Puncture for Newborn
< less than 1.5mm
Depth of Puncture for Adults
< less than 2 mm
Capillary tube that contains anticoagulants
Red Marked Capillary tube
Capillary tube without anticoagulants
Blue Marked Capillary tube
Amount of Blood Needed for Capillary tube
2/3 or 3/4 of the Tube
Length of the Capillet
7.5 cm or 75 mm
Total Volume of Capillary Tube
50- 70 uL
It is imperative to ____ the sample before sealing
MIX
Length of Sealing Clay
4 to 6 mm
Ideal shape for PBS
Tongue Shaped
meaning of PASS
Pressure
Angle
Size
Speed
Where should the label be in PBS
below the drop of Blood
Thickness Required for ideal PBS
Monolayer
Order of Draw for Microcollection Tubes
- Blood Gas
- Slides (PBS)
- EDTA Specimens
- Other Anticoagulated Specimens
- Serum Tube
- Newborn Blood Spot Test
Tests Not applicable for Capillary Puncture
Blood Culture
Erythrocyte Sedimentation Rate
Coagulation Studies
Manner of Puncture
Quick and Firm
Puncture site for Adults
lateral or medial of the 3rd or 4th finger of the non-dominant hand
The puncture should be _____________________ to form a ball of blood
Perpendicular
Infants are prone to this specific bone disease
Osteomyelitis
Puncture site of the Newborns
Lateral portion of the plantar heel of the infant
Too much milking of Blood will cause
Clotting of the Blood
According to the old book where should be the sealing clay be placed
at the marked portion of the tube
