What is a venipuncture test used for?
What is a venipuncture test used for?
Phlebotomy is when someone uses a needle to take blood from a vein, usually in your arm. Also called a blood draw or venipuncture, it’s an important tool for diagnosing many medical conditions. Usually the blood is sent to a laboratory for testing.
What is the most common tube used in hematology test?
EDTA
Lavender top tube – EDTA EDTA is the anticoagulant used for most hematology procedures. Its primary use is for the CBC and individual components of the CBC. The larger 6 mL tube is used for blood bank procedures.
What is an indication for venipuncture?
Indications. Allows the sampling of venous blood for the diagnosis of electrolyte imbalances, infection, blood type and crossmatching, disease states, drug levels, etc.
What are SST tubes used for?
Gold-top serum separator tube (SST) This tube contains a clot activator and serum gel separator – used for various chemistry, serology, and immunology tests.
What is the most common complication of venipuncture?
Results: Minor bruising and hematoma were fairly common, involving 12.3% of venipunctures, with minor bruising being the most common reaction. Serious complications were observed in 3.4% of patients. Diaphoresis with hypotension occurred in 2.6%. Syncope occurred in less than 1% of patients.
What can go wrong during a blood draw?
Common Blood Draw Injuries
- Nerve damage. If the nurse or other person drawing blood is not careful, they can inadvertently penetrate a nerve when inserting the needle.
- Uncontrolled bleeding. Your blood might be drawn from an area where there is a high risk of nicking an artery.
- Hitting a bone.
- Bruising.
What is a purple tube blood test?
The purple top tube provides blood for infectious disease tests and ascertaining important data such as ABO/Rh (blood type), as well as whether the blood is positive or negative for cytomegalovirus (CMV), HIV, hepatitis, and West Nile virus, to name a few.
What tubes do you use for blood tests?
Blood Collection Tubes
| Tube cap color | Additive | Common laboratory tests |
|---|---|---|
| Lavender or pink | Potassium EDTA | Hematology and blood bank |
| Gray | Sodium fluoride, and sodium or potassium oxalate | Glucose (especially when testing will be delayed), blood alcohol, lactic acid |
What is the ideal vein of choice for venipuncture?
Of these, the median cubital vein is usually the vein of choice for phlebotomy: It is typically more stable (less likely to roll), it lies more superficially, and the skin overlying it is less sensitive than the skin overlying the other veins. Antecubital veins, right arm.
What tubes are used for what blood tests?
What are 3 complications that can occur with a venipuncture procedure?
Complications that can arise from venepuncture include haematoma forma- tion, nerve damage, pain, haemaconcentration, extra- vasation, iatrogenic anaemia, arterial puncture, pete- chiae, allergies, fear and phobia, infection, syncope and fainting, excessive bleeding, edema and thrombus.
How is the venipuncture used to collect blood?
Blood Collection Process: Venipuncture 1 The vacuum tubes are designed to draw a predetermined volume of blood. 2 Tubes with different additives are used for collecting blood specimens for specific types of tests. 3 The color of cap is used to identify these additives.
What kind of blood collection tubes are used?
Blood collection tubes must be filled in a specific order to avoid specimen contamination from the additive in the preceding tube. The following order of draw is an accepted laboratory standard. 1. Tubes or bottles for blood cultures 2. Light-blue top tubes (sodium citrate) 3. Serum tubes (with or without clot activator) 4.
How are the different types of phlebotomy tubes identified?
Different phlebotomy tubes are identified by the color of the stopper or shield. Specific colors indicate a presence of certain additives. They are categorized as tubes for coagulant blood tests, anticoagulant blood tests and other types of tests. Coagulant Blood Test.
What are the different colors of blood test tubes?
Specific colors indicate a presence of certain additives. They are categorized as tubes for coagulant blood tests, anticoagulant blood tests and other types of tests. Tubes under this category are often used in patients with a bleeding disorder or are using a blood thinner medication.