Physiologic Variables
Problem Sites
Patient Complications
Procedural Error Risk
Troubleshooting Failed Venipuncture
100

Diet will affect lipid levels increasing this analytical level.

What is Triglycerides?

100

Damaged veins hardened and clotted are classified as such.

What is Thrombosed and Sclerosed?  

100

The time limit to hold pressure over the site due to an allergy to adhesives.

 What is 5 minnuets?

100

Excessive Probing, removing the needle while tourniquet is still on, or vein to small for needle size can cause this risk.

What is Hematoma?

100

This needle insertion will cause the tube to lose its vacuum when engaged. It is common on hand veins if needle is too steep.

What is bevel partially out of skin?

200

Diurnal/Circadian variations affect hormonal TSH levels pre dawn, while 8AM is peak for this factor.

What is cortisol?

200

Contamination with tissue fluid yielding erroneous results come from this condition. 

What is Edema?

200

Patients on aspirin and anticoagulants may experience this after venipuncture.

What is Hemophilla?

200

Inserting your needle too deeply or probing can cause nerve injury and must be treated to reduce inflammation. 

What is Application of an ice pack?

200

This needle insertion encourages you to push the needle forward into the vein to resolve slow blood flow into the tube.

What is Bevel partially into the vein?

300

This supplement will interfere with  immunoassays, including thyroid testing.

What is Biotin?

300

Venipuncture through this condition will be painful due to obstruction of blood and will affect coagulation test results.

What is Hematoma?

300

Sudden Faintness or loss of consciousness caused by a nervous system response due to abrupt pain or fear.

What  is vasovagal syncope?

300

Blood levels can increase up to 5% after 2 minutes of tourniquet application.

What is Cholesterol?

300

If vein is not anchored properly with the thumb, it may roll causing the needle to be misplaced.

What is needle beside the vein?

400

Pregnancy can affect HCG hormone levels at specified times of the day?

What is Morning?

400

Implanted Ports such as an AV Fistula are a danger to people with this diagnosis. 

What is Dialysis?

400

A feeling of nausea may lead to emesis.The procedure to calm the patient is.

What is take deep breaths and provide a cold compress?

400

This factor will erroneouosly elevate potassium levels from forcing blood into a syringe or milking the site of a capillary specimen collection. 

What is Hemolysis?

400

When needle is inserted and vein walls draw together temporarily shutting off blood flow. 

What is Collapsed Vein?

500

RBC Count lowers while lying down, rather than standing due to this physiologic factor. 

What is Postural Pseudoanemia?

500

The precaution to perform venipuncture when a Central Vascular Access Devices (PICC) is inserted in the veins. 

What is Never apply tourniquet or perform venipuncture above the site? 

500

In this emergency you must ease patient to the floor, nd turn on the side keeps airways clear.

What is Seizures/Convulsions?

500

Blood loss to a pont in which life cannot be sustained.

What is exsanguination?

500

Tube losing vacuum in the beginning of a draw is an indication of this factor? 

What is Expiration?

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