Phlebotomy with IV Infusion

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What is the advantage of using a butterfly for a hand draw?

Allows for a lower angle of insertion than a standard needle and tube holder (correct)

Requires less control over suction for blood collection

Provides faster blood collection from fragile veins

Is only suitable for routine venipunctures

When using a WIS in the antecubital, what is the angle of insertion?

15-30 degrees (correct)

90 degrees

45-60 degrees

5-10 degrees

In which situation would a 23g WIS be commonly used?

For routine venipunctures in the antecubital

For blood collection from large and sturdy veins

For routine venipunctures in the back of the hand (correct)

For blood collection from fragile veins on the back of the hand

Improper insertion or removal of the needle is the most common cause of hematoma.

True Signup and view all the answers

Reflux of anticoagulant can occur when the tube contents come in contact with the stopper during the draw.

False Signup and view all the answers

The standard position for drawing blood from an outpatient is with the patient lying down.

False Signup and view all the answers

What are the potential causes of occlusion and sclerosis in veins?

Inflammation, disease, chemotherapy, prolonged IV therapy, or repeated venipunctures Signup and view all the answers

How does a hematoma form and what impact does it have on blood flow?

A hematoma forms when blood escapes from a break in the vascular circulation into the surrounding tissue. It can obstruct the vein, slowing blood flow. Signup and view all the answers

What is edema and how does it affect test results?

Edema is swelling caused by the retention of interstitial fluid in the tissue. It can contaminate the sample with tissue fluid, altering test results. Signup and view all the answers

What are the characteristics of occluded or sclerosed veins?

They feel hard or cordlike, lack resiliency, and are susceptible to infection. Signup and view all the answers

How can a hematoma be caused during blood collection?

A hematoma can be caused by the needle going through the vein, having the bevel opening only partially in the vein, or failing to apply enough pressure after withdrawal. Signup and view all the answers

Why is it important to minimize the amount of blood drawn from a patient?

To prevent the development of iatrogenic anemia Signup and view all the answers

Under what circumstances may it be appropriate to acquire blood with a dermal puncture instead of venipuncture?

For patients requiring only a single test Signup and view all the answers

What can excessive doses of anticoagulants or coagulation disorders, such as hemophilia, lead to during routine venipuncture?

Formation of hematoma Signup and view all the answers

What are the potential long-term complications associated with excessive removal of blood at the request of a physician?

Development of iatrogenic anemia Signup and view all the answers

What does compartment syndrome result in, if suspected in a patient?

Swelling and pain Signup and view all the answers

How can you minimize the rolling of excessively rolling veins during venipuncture?

Anchor the vein with your free hand by placing your thumb below where the vein is palpated and trace the direction of the vein. Signup and view all the answers

What immediate steps should be taken if an artery is inadvertently punctured during blood collection?

Immediately withdraw the needle and apply pressure for 5 to 10 minutes or until the bleeding has stopped. Signup and view all the answers

What action should be taken after sample collection and needle withdrawal if an artery was inadvertently punctured?

Apply pressure for 10 minutes, check the site before applying a bandage, and label the specimen as an arterial sample. Signup and view all the answers

Giving the patient an emesis basin and instructing them to breathe slowly and deeply can help prevent nausea and vomiting during a seizure.

True Signup and view all the answers

Hematoma during venipuncture can be caused by excessive probing to obtain blood.

True Signup and view all the answers

Pain during venipuncture is commonly caused by insufficient depth of needle insertion into the vein.

False Signup and view all the answers

Phlebotomy with IV Infusion

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Questions and Answers

What is the advantage of using a butterfly for a hand draw?

When using a WIS in the antecubital, what is the angle of insertion?

In which situation would a 23g WIS be commonly used?

Improper insertion or removal of the needle is the most common cause of hematoma.

Reflux of anticoagulant can occur when the tube contents come in contact with the stopper during the draw.

The standard position for drawing blood from an outpatient is with the patient lying down.

What are the potential causes of occlusion and sclerosis in veins?

How does a hematoma form and what impact does it have on blood flow?

What is edema and how does it affect test results?

What are the characteristics of occluded or sclerosed veins?

How can a hematoma be caused during blood collection?

Why is it important to minimize the amount of blood drawn from a patient?

Under what circumstances may it be appropriate to acquire blood with a dermal puncture instead of venipuncture?

What can excessive doses of anticoagulants or coagulation disorders, such as hemophilia, lead to during routine venipuncture?

What are the potential long-term complications associated with excessive removal of blood at the request of a physician?

What does compartment syndrome result in, if suspected in a patient?

How can you minimize the rolling of excessively rolling veins during venipuncture?

What immediate steps should be taken if an artery is inadvertently punctured during blood collection?

What action should be taken after sample collection and needle withdrawal if an artery was inadvertently punctured?

Giving the patient an emesis basin and instructing them to breathe slowly and deeply can help prevent nausea and vomiting during a seizure.

Hematoma during venipuncture can be caused by excessive probing to obtain blood.

Pain during venipuncture is commonly caused by insufficient depth of needle insertion into the vein.

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