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Collection Complicat

Complications in blood collection

QuestionAnswer
5 complications that may be encountered during the blood collection process. *hematoma due to incorrectly inserted needle *hemolysis due to the use of incorrect gauge *hemoconcentration due to prolonged tourniquet use *inappropriate choice/use of vacuum tube/syringe for the patient's vein condition *poor needle readjustment
Hematoma The area around the puncture site begins to swell; blood leaks into the tissues.
How does a hematoma occur? Caused by incorrect needle insertion, puncture through the vein, or pressure on vein wall from the bevel.
Define hemoconcentration the decrease in plasma volume and increase in larger cell volume
Causes of hemoconcentration Caused by prolonged tourniquet application, damaged veins, excessive pressure from manipulation at puncture site, long-term IV use.
Lab tests to be drawn while fasting Tests for blood glucose, cholesterol, triglycerides, electrolytes, proteins.
Max time for tourniquet application 60 seconds
Why is a time limit important for tourniquet application? Prolonged tourniquet pressure yields increased hemoconcentration with elevated plasma, cholesterol, iron, lipid and potassium.
What are some reasons why you might fail to obtain blood? *incorrect needle depth- shallow or through *incorrect bevel position - touching vein wall *failure to anchor - rolled vain
Why is the specimen serum red? Hemolysis due to hematological disease, drug exposure, artificial heart valve, poor needle assembly, incorrect gauge, excessive shaking of tube.
If a patient is on a “blood thinner”, what might you do differently, during and after the blood draw? Preform the venipuncture accurately, make sure patient has stopped bleeding, document the presence of a "blood thinner" in the sample.
What would you do if a patient where to faint while having blood drawn? Immediately stop draw. protect the patient from a fall injury. secure the pt with assistance. make sure pt has recovered fully before permitted to leave.
Created by: sarahs9
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